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C++ posix_spawnattr_setflags函数代码示例

原作者: [db:作者] 来自: [db:来源] 收藏 邀请

本文整理汇总了C++中posix_spawnattr_setflags函数的典型用法代码示例。如果您正苦于以下问题:C++ posix_spawnattr_setflags函数的具体用法?C++ posix_spawnattr_setflags怎么用?C++ posix_spawnattr_setflags使用的例子?那么恭喜您, 这里精选的函数代码示例或许可以为您提供帮助。



在下文中一共展示了posix_spawnattr_setflags函数的20个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于我们的系统推荐出更棒的C++代码示例。

示例1: TEST

TEST(spawn, posix_spawn_POSIX_SPAWN_SETSIGDEF) {
  // Ignore SIGALRM and SIGCONT in the parent...
  ASSERT_NE(SIG_ERR, signal(SIGALRM, SIG_IGN));
  ASSERT_NE(SIG_ERR, signal(SIGCONT, SIG_IGN));

  posix_spawnattr_t sa;
  ASSERT_EQ(0, posix_spawnattr_init(&sa));

  // Ask for SIGALRM to be defaulted in the child...
  sigset_t just_SIGALRM;
  sigemptyset(&just_SIGALRM);
  sigaddset(&just_SIGALRM, SIGALRM);

  ASSERT_EQ(0, posix_spawnattr_setsigdefault(&sa, &just_SIGALRM));
  ASSERT_EQ(0, posix_spawnattr_setflags(&sa, POSIX_SPAWN_SETSIGDEF));

  // Check that's what happens...
  ProcStatus ps = {};
  GetChildStatus(&sa, &ps);

  // TIMER_SIGNAL should be blocked.
  uint64_t expected_blocked = 0;
  SignalSetAdd(&expected_blocked, __SIGRTMIN + 0);
  EXPECT_EQ(expected_blocked, ps.sigblk);

  uint64_t expected_ignored = 0;
  SignalSetAdd(&expected_ignored, SIGCONT);
  EXPECT_EQ(expected_ignored, ps.sigign);

  ASSERT_EQ(0, posix_spawnattr_destroy(&sa));
}
开发者ID:android,项目名称:platform_bionic,代码行数:31,代码来源:spawn_test.cpp


示例2: spawn_win32

static void spawn_win32(void) {
  char module_name[WATCHMAN_NAME_MAX];
  GetModuleFileName(NULL, module_name, sizeof(module_name));
  char *argv[MAX_DAEMON_ARGS] = {
    module_name,
    "--foreground",
    NULL
  };
  posix_spawn_file_actions_t actions;
  posix_spawnattr_t attr;
  pid_t pid;
  int i;

  for (i = 0; daemon_argv[i]; i++) {
    append_argv(argv, daemon_argv[i]);
  }

  posix_spawnattr_init(&attr);
  posix_spawnattr_setflags(&attr, POSIX_SPAWN_SETPGROUP);
  posix_spawn_file_actions_init(&actions);
  posix_spawn_file_actions_addopen(&actions,
      STDIN_FILENO, "/dev/null", O_RDONLY, 0);
  posix_spawn_file_actions_addopen(&actions,
      STDOUT_FILENO, log_name, O_WRONLY|O_CREAT|O_APPEND, 0600);
  posix_spawn_file_actions_adddup2(&actions,
      STDOUT_FILENO, STDERR_FILENO);
  posix_spawnp(&pid, argv[0], &actions, &attr, argv, environ);
  posix_spawnattr_destroy(&attr);
  posix_spawn_file_actions_destroy(&actions);
}
开发者ID:Jerry-goodboy,项目名称:watchman,代码行数:30,代码来源:main.c


示例3: target_proc

void target_proc(struct execute_context *ctx)
{
    int ret;

    char **args = ctx->passing_args;
    short ps_flags = 0;
    pid_t pid;
    posix_spawn_file_actions_t actions;
    posix_spawnattr_t attrs;

    if (args == NULL) {
        return;
    }

    RESET_ERROR;
    posix_spawn_file_actions_init(&actions);
    posix_spawnattr_init(&attrs);

#ifndef _POSIX_SPAWN_DISABLE_ASLR
#   define _POSIX_SPAWN_DISABLE_ASLR 0x0100
#endif
    ps_flags |= POSIX_SPAWN_SETEXEC;
    ps_flags |= _POSIX_SPAWN_DISABLE_ASLR;
    ret = posix_spawnattr_setflags(&attrs, ps_flags);
    if (ret != 0) {
        fprintf(stderr, "cannot set posix_spawn flags\n");
        return;
    }

    /* attached */
    ret = ptrace(PT_TRACE_ME, 0, 0, 0);
    posix_spawn(&pid, args[0], &actions, &attrs, args, NULL);
    fprintf(stderr, "Failed\n");
    exit(1);
}
开发者ID:YukiSakamoto,项目名称:Darwin_Trace,代码行数:35,代码来源:tracer.c


示例4: rb_spawn_process

pid_t
rb_spawn_process(const char *path, const char **argv)
{
    pid_t pid;
    const void *arghack = argv;
    char **myenviron;
    int error;
    posix_spawnattr_t spattr;
    posix_spawnattr_init(&spattr);
#ifdef POSIX_SPAWN_USEVFORK
    posix_spawnattr_setflags(&spattr, POSIX_SPAWN_USEVFORK);
#endif
#ifdef __APPLE__
    myenviron = *_NSGetEnviron(); /* apple needs to go fuck themselves for this */
#else
    myenviron = environ;
#endif
    error = posix_spawn(&pid, path, NULL, &spattr, arghack, myenviron);
    posix_spawnattr_destroy(&spattr);
    if (error != 0) {
        errno = error;
        pid = -1;
    }
    return pid;
}
开发者ID:CustomIRCd,项目名称:elemental-ircd,代码行数:25,代码来源:unix.c


示例5: l_posix_spawnattr_setflags

static int l_posix_spawnattr_setflags(lua_State *L) {
	int r;
	posix_spawnattr_t *attr = luaL_checkudata(L, 1, "posix_spawnattr_t");
	short int flags = 0;
	luaL_checktype(L, 2, LUA_TTABLE);
	lua_getfield(L, 2, "resetids");
	if (lua_toboolean(L, -1)) flags |= POSIX_SPAWN_RESETIDS;
	lua_getfield(L, 2, "setpgroup");
	if (lua_toboolean(L, -1)) flags |= POSIX_SPAWN_SETPGROUP;
	lua_getfield(L, 2, "setsigdef");
	if (lua_toboolean(L, -1)) flags |= POSIX_SPAWN_SETSIGDEF;
	lua_getfield(L, 2, "setsigmask");
	if (lua_toboolean(L, -1)) flags |= POSIX_SPAWN_SETSIGMASK;
	lua_getfield(L, 2, "setschedparam");
	if (lua_toboolean(L, -1)) flags |= POSIX_SPAWN_SETSCHEDPARAM;
	lua_getfield(L, 2, "setscheduler");
	if (lua_toboolean(L, -1)) flags |= POSIX_SPAWN_SETSCHEDULER;
	lua_pop(L, 6);
#ifdef POSIX_SPAWN_USEVFORK
	lua_getfield(L, 2, "usevfork");
	if (lua_toboolean(L, -1)) flags |= POSIX_SPAWN_USEVFORK;
	lua_pop(L, 1);
#endif
	if (0 != (r = posix_spawnattr_setflags(attr, flags))) {
		lua_pushnil(L);
		lua_pushstring(L, strerror(r));
		lua_pushinteger(L, r);
		return 3;
	}
	lua_pushboolean(L, 1);
	return 1;
}
开发者ID:gcr,项目名称:lua-spawn,代码行数:32,代码来源:posix.c


示例6: Open

static int Open (vlc_object_t *obj)
{
    vlc_inhibit_t *ih = (vlc_inhibit_t *)obj;
    vlc_inhibit_sys_t *p_sys = malloc (sizeof (*p_sys));
    if (p_sys == NULL)
        return VLC_ENOMEM;

    posix_spawnattr_init (&p_sys->attr);
    /* Reset signal handlers to default and clear mask in the child process */
    {
        sigset_t set;

        sigemptyset (&set);
        posix_spawnattr_setsigmask (&p_sys->attr, &set);
        sigaddset (&set, SIGPIPE);
        posix_spawnattr_setsigdefault (&p_sys->attr, &set);
        posix_spawnattr_setflags (&p_sys->attr, POSIX_SPAWN_SETSIGDEF
                                              | POSIX_SPAWN_SETSIGMASK);
    }

    ih->p_sys = p_sys;
    if (vlc_timer_create (&p_sys->timer, Timer, ih))
    {
        posix_spawnattr_destroy (&p_sys->attr);
        free (p_sys);
        return VLC_ENOMEM;
    }

    ih->inhibit = Inhibit;
    return VLC_SUCCESS;
}
开发者ID:0xheart0,项目名称:vlc,代码行数:31,代码来源:xdg.c


示例7: main

int main(int argc, char **argv)
{
  extern char **environ;
  pid_t pid;
  posix_spawnattr_t attr;
  int res, status = 1;
  char *default_argv[] = {"/bin/sh", NULL};

  if (argc >= 2)
    ++ argv;
  else
    argv = default_argv;

  res = posix_spawnattr_init(&attr);
  if (res != 0)
    return res;

  res = posix_spawnattr_setflags(&attr, _POSIX_SPAWN_DISABLE_ASLR);
  if (res != 0)
    return res;

  res = posix_spawn(&pid, argv[0], NULL, &attr, argv, environ);
  if (res != 0)
    return res;

  if (waitpid(pid, &status, 0) == -1)
    return 1;

  if (!WIFEXITED(status))
    return 1;

  return WEXITSTATUS(status);
}
开发者ID:CarterTsai,项目名称:clasp,代码行数:33,代码来源:noaslr.c


示例8: Launch_posixSpawnSuspended

/*
 * Static function implementations
 */
pid_t Launch_posixSpawnSuspended(cpu_type_t cpuType, const char *path, char** argv) {
	pid_t retVal = -1;
	
	if (path == NULL || argv == NULL) {
		Log_invalidArgument("path: %p, argv: %p", path, argv);
		
	} else {
		posix_spawnattr_t attr = 0;
		int ret = posix_spawnattr_init(&attr);
		if (ret != 0) {
			Log_errorPosix(ret, "posix_spawnattr_init");
			
		} else {
			sigset_t no_signals = 0;
			sigset_t all_signals = 0;
			sigemptyset(&no_signals);
			sigfillset(&all_signals);
			posix_spawnattr_setsigmask(&attr, &no_signals);
			posix_spawnattr_setsigdefault(&attr, &all_signals);

			if (cpuType != CPU_TYPE_ANY) {
				size_t ocount = 0;
				// if specified choose the arch from the fat binary to run
				ret = posix_spawnattr_setbinpref_np(&attr, 1, &cpuType, &ocount);
				if (ret != 0) {
					Log_errorPosix(ret, "posix_spawnattr_setbinpref_np");
				}
			}
			
			if (ret == 0) {
				ret = posix_spawnattr_setflags(&attr, 
											     POSIX_SPAWN_START_SUSPENDED 
											   | _POSIX_SPAWN_DISABLE_ASLR 
											   | POSIX_SPAWN_SETSIGDEF 
											   | POSIX_SPAWN_SETSIGMASK);
				if (ret != 0) {
					Log_errorPosix(ret, "posix_spawnattr_setflags");
					
				} else {
					pid_t pid = -1;
					ret = posix_spawnp(&pid, 
									   path, 
									   NULL, 
									   &attr, 
									   (char * const*)argv, 
									   (char * const*)NULL);
					if (ret != 0) {
						Log_errorPosix(ret, "posix_spawnp");
						
					} else {
						retVal = pid;
					}
				}
			}
			posix_spawnattr_destroy(&attr);
		}
	}
	return retVal;
}
开发者ID:mountainstorm,项目名称:Flow,代码行数:62,代码来源:Launch.c


示例9: setup_spawnattr

static void
setup_spawnattr(posix_spawnattr_t* spawnattr)
{
    size_t ocount;
    size_t count;
    cpu_type_t cpu_types[1];
    short flags = 0;
#ifdef __LP64__
    int   ch;
#endif

    if ((errno = posix_spawnattr_init(spawnattr)) != 0) {
        err(2, "posix_spawnattr_int");
        /* NOTREACHTED */
    }

    count = 1;

    /* Run the real python executable using the same architecture as this
     * executable, this allows users to control the architecture using
     * "arch -ppc python"
     */

#if defined(__ppc64__)
    cpu_types[0] = CPU_TYPE_POWERPC64;

#elif defined(__x86_64__)
    cpu_types[0] = CPU_TYPE_X86_64;

#elif defined(__ppc__)
    cpu_types[0] = CPU_TYPE_POWERPC;
#elif defined(__i386__)
    cpu_types[0] = CPU_TYPE_X86;
#else
#       error "Unknown CPU"
#endif

    if (posix_spawnattr_setbinpref_np(spawnattr, count,
                            cpu_types, &ocount) == -1) {
        err(1, "posix_spawnattr_setbinpref");
        /* NOTREACHTED */
    }
    if (count != ocount) {
        fprintf(stderr, "posix_spawnattr_setbinpref failed to copy\n");
        exit(1);
        /* NOTREACHTED */
    }


    /*
     * Set flag that causes posix_spawn to behave like execv
     */
    flags |= POSIX_SPAWN_SETEXEC;
    if ((errno = posix_spawnattr_setflags(spawnattr, flags)) != 0) {
        err(1, "posix_spawnattr_setflags");
        /* NOTREACHTED */
    }
}
开发者ID:0xcc,项目名称:python-read,代码行数:58,代码来源:pythonw.c


示例10: do_test_setsid

static void
do_test_setsid (bool test_setsid)
{
  pid_t sid, child_sid;
  int res;

  /* Current session ID.  */
  sid = getsid(0);
  if (sid == (pid_t) -1)
    FAIL_EXIT1 ("getsid (0): %m");

  posix_spawnattr_t attrp;
  /* posix_spawnattr_init should not fail (it basically memset the
     attribute).  */
  posix_spawnattr_init (&attrp);
  if (test_setsid)
    {
      res = posix_spawnattr_setflags (&attrp, POSIX_SPAWN_SETSID);
      if (res != 0)
	{
	  errno = res;
	  FAIL_EXIT1 ("posix_spawnattr_setflags: %m");
	}
    }

  /* Program to run.  */
  char *args[2] = { (char *) "true", NULL };
  pid_t child;

  res = posix_spawnp (&child, "true", NULL, &attrp, args, environ);
  /* posix_spawnattr_destroy is noop.  */
  posix_spawnattr_destroy (&attrp);

  if (res != 0)
    {
      errno = res;
      FAIL_EXIT1 ("posix_spawnp: %m");
    }

  /* Child should have a different session ID than parent.  */
  child_sid = getsid (child);

  if (child_sid == (pid_t) -1)
    FAIL_EXIT1 ("getsid (%i): %m", child);

  if (test_setsid)
    {
      if (child_sid == sid)
	FAIL_EXIT1 ("child session ID matched parent one");
    }
  else
    {
      if (child_sid != sid)
	FAIL_EXIT1 ("child session ID did not match parent one");
    }
}
开发者ID:riscv,项目名称:riscv-glibc,代码行数:56,代码来源:tst-posix_spawn-setsid.c


示例11: lua_newuserdata

struct spawn_params *spawn_param_init(lua_State *L)
{
  struct spawn_params *p = lua_newuserdata(L, sizeof *p);
  p->L = L;
  p->command = 0;
  p->argv = p->envp = 0;
  posix_spawn_file_actions_init(&p->redirect);
  posix_spawnattr_init(&p->attr);
  posix_spawnattr_setflags(&p->attr, POSIX_SPAWN_USEVFORK);
  return p;
}
开发者ID:o-lim,项目名称:lua-ex,代码行数:11,代码来源:spawn.c


示例12: main

int main (void)
{
  pid_t pid ;
  posix_spawn_file_actions_t actions ;
  posix_spawnattr_t attr ;
  char *const argv[2] = { "/bin/true", 0 } ;
  char *const envp[1] = { 0 } ;
  posix_spawnattr_setflags(&attr, 0) ;
  posix_spawn_file_actions_init(&actions) ;
  return posix_spawn(&pid, argv[0], 0, 0, argv, envp) ;
}
开发者ID:fvigotti,项目名称:skalibs,代码行数:11,代码来源:tryposixspawn.c


示例13: launchTest

static struct task_and_pid launchTest(const char* testProgPath, bool launchOtherArch, bool launchSuspended)
{
    posix_spawnattr_t attr = 0;
    if ( posix_spawnattr_init(&attr) != 0 ) {
        printf("[FAIL] dyld_process_info posix_spawnattr_init()\n");
        exit(0);
    }
    if ( launchSuspended ) {
        if ( posix_spawnattr_setflags(&attr, POSIX_SPAWN_START_SUSPENDED) != 0 ) {
            printf("[FAIL] dyld_process_info POSIX_SPAWN_START_SUSPENDED\n");
            exit(0);
        }
    }
    if ( launchOtherArch ) {
        size_t copied;
        if ( posix_spawnattr_setbinpref_np(&attr, 1, otherArch, &copied) != 0 ) {
           printf("[FAIL] dyld_process_info posix_spawnattr_setbinpref_np()\n");
            exit(0);
        }
    }

    struct task_and_pid child = {0, 0};
    const char* argv[] = { testProgPath, NULL };
    int psResult = posix_spawn(&child.pid, testProgPath, NULL, &attr, (char**)argv, environ);
    if ( psResult != 0 ) {
        printf("[FAIL] dyld_process_info posix_spawn(%s) failed, err=%d\n", testProgPath, psResult);
        exit(0);
    }
    if (posix_spawnattr_destroy(&attr) != 0) {
        printf("[FAIL] dyld_process_info posix_spawnattr_destroy()\n");
        exit(0);
    }

    if ( task_for_pid(mach_task_self(), child.pid, &child.task) != KERN_SUCCESS ) {
        printf("[FAIL] dyld_process_info task_for_pid()\n");
        kill(child.pid, SIGKILL);
        exit(0);
    }

#if __x86_64__
    //printf("child pid=%d task=%d (%s, %s)\n", child.pid, child.task, launchOtherArch ? "i386" : "x86_64",  launchSuspended ? "suspended" : "active");
#endif

    // wait until process is up and has suspended itself
    struct task_basic_info info;
    do {
        unsigned count = TASK_BASIC_INFO_COUNT;
        kern_return_t kr = task_info(child.task, TASK_BASIC_INFO, (task_info_t)&info, &count);
        sleep(1);
    } while ( info.suspend_count == 0 );

    return child;
}
开发者ID:wzw19890321,项目名称:dyld,代码行数:53,代码来源:main.c


示例14: test_proc

void
test_proc(pid_t bad_pid)
{
	dispatch_source_t proc_s[PID_CNT], proc;
	int res;
	pid_t pid, monitor_pid;

	event_cnt = 0;
	// Creates a process and register multiple observers.  Send a signal,
	// exit the process, etc., and verify all observers were notified.

	posix_spawnattr_t attr;
	res = posix_spawnattr_init(&attr);
	assert(res == 0);
#if HAVE_DECL_POSIX_SPAWN_START_SUSPENDED
	res = posix_spawnattr_setflags(&attr, POSIX_SPAWN_START_SUSPENDED);
	assert(res == 0);
#endif

	char* args[] = {
		"/bin/sleep", "2", NULL
	};

	res = posix_spawnp(&pid, args[0], NULL, &attr, args, NULL);
	if (res < 0) {
		perror(args[0]);
		exit(127);
	}

	res = posix_spawnattr_destroy(&attr);
	assert(res == 0);

	dispatch_group_t group = dispatch_group_create();

	assert(pid > 0);
	monitor_pid = bad_pid ? bad_pid : pid; // rdar://problem/8090801

	int i;
	for (i = 0; i < PID_CNT; ++i) {
		dispatch_group_enter(group);
		proc = proc_s[i] = dispatch_source_create(DISPATCH_SOURCE_TYPE_PROC,
				monitor_pid, DISPATCH_PROC_EXIT, dispatch_get_global_queue(0, 0));
		test_ptr_notnull("dispatch_source_proc_create", proc);
		dispatch_source_set_event_handler(proc, ^{
			long flags = dispatch_source_get_data(proc);
			test_long("DISPATCH_PROC_EXIT", flags, DISPATCH_PROC_EXIT);
			event_cnt++;
			dispatch_source_cancel(proc);
		});
		dispatch_source_set_cancel_handler(proc, ^{
			dispatch_group_leave(group);
		});
开发者ID:2php,项目名称:libdispatch,代码行数:52,代码来源:dispatch_proc.c


示例15: posix_spawnattr_getflags

void ChildProcess::Options::setFlags(short flags) {
  short currentFlags;
  auto err = posix_spawnattr_getflags(&inner_->attr, &currentFlags);
  if (err) {
    throw std::system_error(
        err, std::generic_category(), "posix_spawnattr_getflags");
  }
  err = posix_spawnattr_setflags(&inner_->attr, currentFlags | flags);
  if (err) {
    throw std::system_error(
        err, std::generic_category(), "posix_spawnattr_setflags");
  }
}
开发者ID:otrempe,项目名称:watchman,代码行数:13,代码来源:ChildProcess.cpp


示例16: child_spawn1_internal

pid_t child_spawn1_internal (char const *prog, char const *const *argv, char const *const *envp, int *p, int to)
{
  posix_spawn_file_actions_t actions ;
  posix_spawnattr_t attr ;
  int e ;
  pid_t pid ;
  int haspath = !!env_get("PATH") ;
  if (coe(p[!(to & 1)]) < 0) { e = errno ; goto err ; }
  e = posix_spawnattr_init(&attr) ;
  if (e) goto err ;
  {
    sigset_t set ;
    sigemptyset(&set) ;
    e = posix_spawnattr_setsigmask(&attr, &set) ;
    if (e) goto errattr ;
    e = posix_spawnattr_setflags(&attr, POSIX_SPAWN_SETSIGMASK) ;
    if (e) goto errattr ;
  }
  e = posix_spawn_file_actions_init(&actions) ;
  if (e) goto errattr ;
  e = posix_spawn_file_actions_adddup2(&actions, p[to & 1], to & 1) ;
  if (e) goto erractions ;
  e = posix_spawn_file_actions_addclose(&actions, p[to & 1]) ;
  if (e) goto erractions ;
  if (to & 2)
  {
    e = posix_spawn_file_actions_adddup2(&actions, to & 1, !(to & 1)) ;
    if (e) goto erractions ;
  }
  if (!haspath && (setenv("PATH", SKALIBS_DEFAULTPATH, 0) < 0)) { e = errno ; goto erractions ; }
  e = posix_spawnp(&pid, prog, &actions, &attr, (char *const *)argv, (char *const *)envp) ;
  if (!haspath) unsetenv("PATH") ;
  posix_spawn_file_actions_destroy(&actions) ;
  posix_spawnattr_destroy(&attr) ;
  fd_close(p[to & 1]) ;
  if (e) goto errp ;
  return pid ;

 erractions:
  posix_spawn_file_actions_destroy(&actions) ;
 errattr:
  posix_spawnattr_destroy(&attr) ;
 err:
  fd_close(p[to & 1]) ;
 errp:
  fd_close(p[!(to & 1)]) ;
  errno = e ;
  return 0 ;
}
开发者ID:fvigotti,项目名称:skalibs,代码行数:49,代码来源:child_spawn1_internal.c


示例17: main

int main()
{
	int		ret_err = 0;
	pid_t	pid_child;
	char	buf_err[64];
	char	*argv_child[] = {
		"forkexec_child", NULL
	};
	printf("Parent[%d]: Start\n", getpid());

	posix_spawnattr_t	posix_attr;
	if ((ret_err = posix_spawnattr_init(&posix_attr)) != 0) {
		strerror_r(ret_err, buf_err, sizeof(buf_err));
		fprintf(stderr, "Fail: attr_init: %s\n", buf_err);
		exit(EXIT_FAILURE);
	}
	short posix_flags = POSIX_SPAWN_SETPGROUP;
	if ((ret_err = posix_spawnattr_setflags(&posix_attr, posix_flags)) != 0) {
		strerror_r(ret_err, buf_err, sizeof(buf_err));
		fprintf(stderr, "Fail: attr_setflags: %s\n", buf_err);
		exit(EXIT_FAILURE);
	}

	// set pgid
	pid_t	pid_pgid = 0; /* child process shall become process group reader */
	if ((ret_err = posix_spawnattr_setpgroup(&posix_attr, pid_pgid)) != 0) {
		strerror_r(ret_err, buf_err, sizeof(buf_err));
		fprintf(stderr, "Fail: attr_setpgroup: %s\n", buf_err);
		exit(EXIT_FAILURE);
	}

	ret_err = posix_spawn( &pid_child,
			argv_child[0],
			NULL,
			&posix_attr,		/* attribute */
			argv_child,
			NULL);
	if ((ret_err = posix_spawnattr_destroy(&posix_attr)) != 0) {
		strerror_r(ret_err, buf_err, sizeof(buf_err));
		fprintf(stderr, "Fail: attr_destroy: %s\n", buf_err);
		exit(EXIT_FAILURE);
	}
	printf("Parent[%d]: Wait for child(%d)\n", getpid(), (int)pid_child);
	(void)wait(NULL);	/* wait for child */
	printf("Parent[%d]: Exit\n", getpid());
	return 0;
}
开发者ID:h9379203,项目名称:linet,代码行数:47,代码来源:pspawn3.c


示例18: main

int
main(int argc, char *argv[])
{
    dispatch_source_t tmp_ds;
    int res;
    pid_t pid;

    if (argc < 2) {
        fprintf(stderr, "usage: harness [...]\n");
        exit(1);
    }

    posix_spawnattr_t attr;
    res = posix_spawnattr_init(&attr);
    assert(res == 0);
    res = posix_spawnattr_setflags(&attr, POSIX_SPAWN_START_SUSPENDED);
    assert(res == 0);

    int i;
    char** newargv = calloc(argc, sizeof(void*));
    for (i = 1; i < argc; ++i) {
        newargv[i-1] = argv[i];
    }
    newargv[i-1] = NULL;

    res = posix_spawnp(&pid, newargv[0], NULL, &attr, newargv, environ);
    if (res) {
        errno = res;
        perror(newargv[0]);
        exit(EXIT_FAILURE);
    }
    //fprintf(stderr, "pid = %d\n", pid);
    assert(pid > 0);

    dispatch_queue_t main_q = dispatch_get_main_queue();

    tmp_ds = dispatch_source_proc_create(pid, DISPATCH_PROC_EXIT, NULL, main_q,
    ^(dispatch_event_t ev __attribute__((unused))) {
        int status;
        int res2 = waitpid(pid, &status, 0);
        assert(res2 != -1);
        //int passed = (WIFEXITED(status) && WEXITSTATUS(status) == 0);
        test_long("Process exited", WEXITSTATUS(status) | WTERMSIG(status), 0);
        exit(0);
    });
开发者ID:AlanQuatermain,项目名称:libdispatch-channels,代码行数:45,代码来源:harness.c


示例19: l_posix_spawnattr_setflags

static int l_posix_spawnattr_setflags(lua_State *L) {
	int r;
	size_t i;
	posix_spawnattr_t *attr = luaL_checkudata(L, 1, "posix_spawnattr_t");
	short int flags = 0;
	luaL_checktype(L, 2, LUA_TTABLE);
	for (i=0; i<N_SUPPORTED_FLAGS; i++) {
		lua_getfield(L, 2, supported_flags[i].flagname);
		if (lua_toboolean(L, -1)) flags |= supported_flags[i].value;
		lua_pop(L, 1);
	}
	if (0 != (r = posix_spawnattr_setflags(attr, flags))) {
		lua_pushnil(L);
		lua_pushstring(L, strerror(r));
		lua_pushinteger(L, r);
		return 3;
	}
	lua_pushboolean(L, 1);
	return 1;
}
开发者ID:daurnimator,项目名称:lua-spawn,代码行数:20,代码来源:posix.c


示例20: VG_REPLACE_FUNCTION_ZU

pid_t VG_REPLACE_FUNCTION_ZU(libastZdsoZd1, spawnveg)(const char *command,
                                                      char **argv,
                                                      char **envp,
                                                      pid_t pgid)
{
   int err = 0;
   pid_t pid;
   posix_spawnattr_t attr;
   int attr_init_done = 0;

   err = posix_spawnattr_init(&attr);
   if (err != 0)
      goto out;
   attr_init_done = 1;

   err = posix_spawnattr_init(&attr);
   if (err != 0)
      goto out;

   if (pgid != 0) {
      if (pgid <= 1)
         pgid = 0;
      err = posix_spawnattr_setpgroup(&attr, pgid);
      if (err != 0)
         goto out;
      err = posix_spawnattr_setflags(&attr, POSIX_SPAWN_SETPGROUP);
      if (err != 0)
         goto out;
   }

   err = posix_spawn(&pid, command, NULL, &attr, argv, envp ? envp : environ);

out:
   if (attr_init_done)
      posix_spawnattr_destroy(&attr);
   if (err != 0) {
      errno = err;
      return -1;
   }
   return pid;
}
开发者ID:TUM-LIS,项目名称:valgrind-tracegen,代码行数:41,代码来源:vg_preloaded.c



注:本文中的posix_spawnattr_setflags函数示例由纯净天空整理自Github/MSDocs等源码及文档管理平台,相关代码片段筛选自各路编程大神贡献的开源项目,源码版权归原作者所有,传播和使用请参考对应项目的License;未经允许,请勿转载。


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上一篇:
C++ posix_spawnp函数代码示例发布时间:2022-05-30
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C++ posix_spawnattr_init函数代码示例发布时间:2022-05-30
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