C++ erl_exit函数代码示例

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本文整理汇总了C++中erl_exit函数的典型用法代码示例。如果您正苦于以下问题：C++ erl_exit函数的具体用法？C++ erl_exit怎么用？C++ erl_exit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erl_exit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: posix_clock_gettime_times

static ERTS_INLINE void
posix_clock_gettime_times(clockid_t mid, char *mname,
			  ErtsMonotonicTime *mtimep,
			  clockid_t sid, char *sname,
			  ErtsSystemTime *stimep)
{
    struct timespec mts, sts;
    int mres, sres, merr, serr;

    mres = clock_gettime(mid, &mts);
    merr = errno;
    sres = clock_gettime(sid, &sts);
    serr = errno;
    
    if (mres != 0) {
	char *errstr = merr ? strerror(merr) : "unknown";
	erl_exit(ERTS_ABORT_EXIT,
		 "clock_gettime(%s, _) failed: %s (%d)\n",
		 mname, errstr, merr);
    }
    if (sres != 0) {
	char *errstr = serr ? strerror(serr) : "unknown";
	erl_exit(ERTS_ABORT_EXIT,
		 "clock_gettime(%s, _) failed: %s (%d)\n",
		 sname, errstr, serr);
    }

    *mtimep = (ErtsMonotonicTime) ERTS_TimeSpec2Sint64(&mts);
    *stimep = (ErtsSystemTime) ERTS_TimeSpec2Sint64(&sts);
}

开发者ID:Dasudian，项目名称:otp，代码行数:30，代码来源:sys_time.c

示例2: erts_check_memory

void erts_check_memory(Process *p, Eterm *start, Eterm *end)
{
    Eterm *pos = start;

    while (pos < end) {
        Eterm hval = *pos++;

#ifdef DEBUG
        if (hval == DEBUG_BAD_WORD) {
            print_untagged_memory(start, end);
            erl_exit(1, "Uninitialized HAlloc'ed memory found @ 0x%0*lx!\n",
                     PTR_SIZE,(unsigned long)(pos - 1));
        }
#endif

        if (is_thing(hval)) {
            pos += thing_arityval(hval);
            continue;
        }

        if (verify_eterm(p,hval))
            continue;

        erl_exit(1, "Wild pointer found @ 0x%0*lx!\n",
                 PTR_SIZE,(unsigned long)(pos - 1));
    }
}

开发者ID:colin3dmax，项目名称:otp，代码行数:27，代码来源:erl_debug.c

示例3: load_preloaded

static void 
load_preloaded(void)
{
    int i;
    Eterm res;
    Preload* preload_p;
    Eterm module_name;
    byte* code;
    char* name;
    int length;

    if ((preload_p = sys_preloaded()) == NULL) {
	return;
    }
    i = 0;
    while ((name = preload_p[i].name) != NULL) {
	length = preload_p[i].size;
	module_name = am_atom_put(name, sys_strlen(name));
	if ((code = sys_preload_begin(&preload_p[i])) == 0)
	    erl_exit(1, "Failed to find preloaded code for module %s\n", 
		     name);
	res = erts_preload_module(NULL, 0, NIL, &module_name, code, length);
	sys_preload_end(&preload_p[i]);
	if (res != NIL)
	    erl_exit(1,"Failed loading preloaded module %s (%T)\n",
		     name, res);
	i++;
    }
}

开发者ID:DavidPajaro，项目名称:otp，代码行数:29，代码来源:erl_init.c

示例4: erts_check_stack

void erts_check_stack(Process *p)
{
    Eterm *elemp;
    Eterm *stack_start = p->heap + p->heap_sz;
    Eterm *stack_end = p->htop;

    if (p->stop > stack_start)
        erl_exit(1,
                 "<%lu.%lu.%lu>: Stack underflow\n",
                 internal_pid_channel_no(p->common.id),
                 internal_pid_number(p->common.id),
                 internal_pid_serial(p->common.id));

    if (p->stop < stack_end)
        erl_exit(1,
                 "<%lu.%lu.%lu>: Stack overflow\n",
                 internal_pid_channel_no(p->common.id),
                 internal_pid_number(p->common.id),
                 internal_pid_serial(p->common.id));

    for (elemp = p->stop; elemp < stack_start; elemp++) {
        int in_mbuf = 0;
        Eterm *ptr;
        ErlHeapFragment* mbuf;
        switch (primary_tag(*elemp)) {
        case TAG_PRIMARY_LIST:
            ptr = list_val(*elemp);
            break;
        case TAG_PRIMARY_BOXED:
            ptr = boxed_val(*elemp);
            break;
        default: /* Immediate or cp */
            continue;
        }
        if (IN_HEAP(p, ptr))
            continue;
        for (mbuf = p->mbuf; mbuf; mbuf = mbuf->next)
            if (WITHIN(ptr, &mbuf->mem[0], &mbuf->mem[0] + mbuf->used_size)) {
                in_mbuf = 1;
                break;
            }
        if (in_mbuf)
            continue;

        erl_exit(1,
                 "<%lu.%lu.%lu>: Wild stack pointer\n",
                 internal_pid_channel_no(p->common.id),
                 internal_pid_number(p->common.id),
                 internal_pid_serial(p->common.id));
    }

}

开发者ID:ritics，项目名称:otp，代码行数:52，代码来源:erl_debug.c

示例5: info_options

static Eterm
info_options(Allctr_t *allctr,
	     char *prefix,
	     int *print_to_p,
	     void *print_to_arg,
	     Uint **hpp,
	     Uint *szp)
{
    BFAllctr_t *bfallctr = (BFAllctr_t *) allctr;
    Eterm res = THE_NON_VALUE;

    if (print_to_p) {
	erts_print(*print_to_p,
		   print_to_arg,
		   "%sas: %s\n",
		   prefix,
		   bfallctr->address_order ? "aobf" : "bf");
    }

    if (hpp || szp) {
	
	if (!atoms_initialized)
	    erl_exit(1, "%s:%d: Internal error: Atoms not initialized",
		     __FILE__, __LINE__);;

	res = NIL;
	add_2tup(hpp, szp, &res,
		 am.as,
		 bfallctr->address_order ? am.aobf : am.bf);
    }

    return res;
}

开发者ID:Argger，项目名称:otp，代码行数:33，代码来源:erl_bestfit_alloc.c

示例6: erts_add_monitor

void erts_add_monitor(ErtsMonitor **root, Uint type, Eterm ref, Eterm pid, 
		      Eterm name)
{
    void *tstack[STACK_NEED];
    int tpos = 0;
    int dstack[STACK_NEED+1];
    int dpos = 1;
    int state = 0;
    ErtsMonitor **this = root;
    Sint c;
  
    dstack[0] = DIR_END;
    for (;;) {
	if (!*this) { /* Found our place */
	    state = 1;
	    *this = create_monitor(type,ref,pid,name);
	    break;
	} else if ((c = CMP_MON_REF(ref,(*this)->ref)) < 0) { 
	    /* go left */
	    dstack[dpos++] = DIR_LEFT;
	    tstack[tpos++] = this;
	    this = &((*this)->left);
	} else if (c > 0) { /* go right */
	    dstack[dpos++] = DIR_RIGHT;
	    tstack[tpos++] = this;
	    this = &((*this)->right);
	} else { /* Equal key is an error for monitors */
	    erl_exit(1,"Insertion of already present monitor!");
	    break;
	}
    }
    insertion_rotation(dstack, dpos, tstack, tpos, state);
}

开发者ID:DavidAlphaFox，项目名称:my_otp，代码行数:33，代码来源:erl_monitors.c

示例7: pd_check

static void pd_check(ProcDict *pd) 
{
    unsigned int i;
    Uint num;
    if (pd == NULL)
	return;
    ASSERT(pd->size >= pd->used);
    ASSERT(HASH_RANGE(pd) <= MAX_HASH);
    for (i = 0, num = 0; i < pd->used; ++i) {
	Eterm t = pd->data[i];
	if (is_nil(t)) {
	    continue;
	} else if (is_tuple(t)) {
	    ++num;
	    ASSERT(arityval(*tuple_val(t)) == 2);
	    continue;
	} else if (is_list(t)) {
	    while (t != NIL) {
		++num;
		ASSERT(is_tuple(TCAR(t)));
		ASSERT(arityval(*(tuple_val(TCAR(t)))) == 2);
		t = TCDR(t);
	    }
	    continue;
	} else {
	    erl_exit(1, 
		     "Found tag 0x%08x in process dictionary at position %d",
		     (unsigned long) t, (int) i);
	}
    }
    ASSERT(num == pd->numElements);
    ASSERT(pd->splitPosition <= pd->homeSize);
}

开发者ID:NaughtyCode，项目名称:otp，代码行数:33，代码来源:erl_process_dict.c

示例8: http_bld_uri

static Eterm http_bld_uri(struct packet_callback_args* pca,
			  Eterm** hpp, Uint* szp, const PacketHttpURI* uri)
{
    Eterm s1, s2;
    if (uri->type == URI_STAR) {
        return am_Times; /* '*' */
    }

    s1 = http_bld_string(pca, hpp, szp, uri->s1_ptr, uri->s1_len);

    switch (uri->type) {
    case URI_ABS_PATH:
        return erts_bld_tuple(hpp, szp, 2, am_abs_path, s1);
    case URI_HTTP:
    case URI_HTTPS:
        s2 = http_bld_string(pca, hpp, szp, uri->s2_ptr, uri->s2_len);
        return erts_bld_tuple
            (hpp, szp, 5, am_absoluteURI, 
             ((uri->type==URI_HTTP) ? am_http : am_https),
             s1, 
             ((uri->port==0) ? am_undefined : make_small(uri->port)),
             s2);
        
    case URI_STRING:
        return s1;
    case URI_SCHEME:
        s2 = http_bld_string(pca, hpp, szp, uri->s2_ptr, uri->s2_len);
        return erts_bld_tuple(hpp, szp, 3, am_scheme, s1, s2);
                              
    default:
        erl_exit(1, "%s, line %d: type=%u\n", __FILE__, __LINE__, uri->type);
    }
}

开发者ID:Oregionality，项目名称:otp，代码行数:33，代码来源:erl_bif_port.c

示例9: info_options

static Eterm
info_options(Allctr_t *allctr,
	     char *prefix,
	     int *print_to_p,
	     void *print_to_arg,
	     Uint **hpp,
	     Uint *szp)
{
    GFAllctr_t *gfallctr = (GFAllctr_t *) allctr;
    Eterm res = THE_NON_VALUE;

    if (print_to_p) {
	erts_print(*print_to_p,
		   print_to_arg,
		   "%smbsd: %lu\n"
		   "%sas: gf\n",
		   prefix, gfallctr->max_blk_search,
		   prefix);
    }

    if (hpp || szp) {
	
	if (!atoms_initialized)
	    erl_exit(1, "%s:%d: Internal error: Atoms not initialized",
		     __FILE__, __LINE__);;

	res = NIL;
	add_2tup(hpp, szp, &res, am.as, am.gf);
	add_2tup(hpp, szp, &res,
		 am.mbsd,
		 bld_uint(hpp, szp, gfallctr->max_blk_search));
    }

    return res;
}

开发者ID:Bufias，项目名称:otp，代码行数:35，代码来源:erl_goodfit_alloc.c

示例10: hash_init

/*
** init a pre allocated or static hash structure
** and allocate buckets.
*/
Hash* hash_init(ErtsAlcType_t type, Hash* h, char* name, int size, HashFunctions fun)
{
    int sz;
    int ix = 0;

    h->type = type;

    while (h_size_table[ix] != -1 && h_size_table[ix] < size)
	ix++;
    if (h_size_table[ix] == -1)
	erl_exit(1, "panic: too large hash table size (%d)\n", size);

    size = h_size_table[ix];
    sz = size*sizeof(HashBucket*);

    h->bucket = (HashBucket**) erts_alloc(h->type, sz);

    sys_memzero(h->bucket, sz);
    h->is_allocated = 0;
    h->name = name;
    h->fun = fun;
    h->size = size;
    h->size20percent = h->size/5;
    h->size80percent = (4*h->size)/5;
    h->ix = ix;
    h->used = 0;
    return h;
}

开发者ID:system，项目名称:erlang-otp，代码行数:32，代码来源:hash.c

示例11: info_options

static Eterm
info_options(Allctr_t *allctr,
	     char *prefix,
	     int *print_to_p,
	     void *print_to_arg,
	     Uint **hpp,
	     Uint *szp)
{
    Eterm res = THE_NON_VALUE;

    if (print_to_p) {
	erts_print(*print_to_p, print_to_arg, "%sas: af\n", prefix);
    }

    if (hpp || szp) {
	
	if (!atoms_initialized)
	    erl_exit(1, "%s:%d: Internal error: Atoms not initialized",
		     __FILE__, __LINE__);;

	res = NIL;
	add_2tup(hpp, szp, &res, am.as, am.af);
    }

    return res;
}

开发者ID:system，项目名称:erlang-otp，代码行数:26，代码来源:erl_afit_alloc.c

示例12: erts_pd_hash_get

Eterm erts_pd_hash_get(Process *p, Eterm id) 
{
    unsigned int hval;
    Eterm tmp;
    ProcDict *pd = p->dictionary;

    if (pd == NULL)
	return am_undefined;
    hval = pd_hash_value(pd, id);
    tmp = ARRAY_GET(pd, hval);
    if (is_boxed(tmp)) {	/* Tuple */
	ASSERT(is_tuple(tmp));
	if (EQ(tuple_val(tmp)[1], id)) {
	    return tuple_val(tmp)[2];
	}
    } else if (is_list(tmp)) {
	for (; tmp != NIL && !EQ(tuple_val(TCAR(tmp))[1], id); tmp = TCDR(tmp)) {
	    ;
	}
	if (tmp != NIL) {
	    return tuple_val(TCAR(tmp))[2];
	}
    } else if (is_not_nil(tmp)) {
#ifdef DEBUG
	erts_fprintf(stderr,
		     "Process dictionary for process %T is broken, trying to "
		     "display term found in line %d:\n"
		     "%T\n", p->common.id, __LINE__, tmp);
#endif
	erl_exit(1, "Damaged process dictionary found during get/1.");
    }
    return am_undefined;
}

开发者ID:NaughtyCode，项目名称:otp，代码行数:33，代码来源:erl_process_dict.c

示例13: erts_init_time

/* this routine links the time cells into a free list at the start
   and sets the time queue as empty */
void
erts_init_time(void)
{
    int i, itime;

    /* system dependent init; must be done before do_time_init()
       if timer thread is enabled */
    itime = erts_init_time_sup();
#ifdef TIW_ITIME_IS_CONSTANT 
    if (itime != TIW_ITIME) {
	erl_exit(ERTS_ABORT_EXIT, "timer resolution mismatch %d != %d", itime, TIW_ITIME);
    }
#else
    tiw_itime = itime;
#endif

    erts_smp_mtx_init(&tiw_lock, "timer_wheel");

    tiw = (ErlTimer**) erts_alloc(ERTS_ALC_T_TIMER_WHEEL,
				  TIW_SIZE * sizeof(ErlTimer*));
    for(i = 0; i < TIW_SIZE; i++)
	tiw[i] = NULL;
    do_time_init();
    tiw_pos = tiw_nto = 0;
    tiw_min_ptr = NULL;
    tiw_min = 0;
}

开发者ID:1153，项目名称:otp，代码行数:29，代码来源:time.c

示例14: get_tolerant_timeofday

static void get_tolerant_timeofday(SysTimeval *tv)
{
    SysHrTime diff_time, curr;

    if (erts_disable_tolerant_timeofday) {
	sys_gettimeofday(tv);
	return;
    }
    *tv = inittv;
    diff_time = ((curr = sys_gethrtime()) + hr_correction - hr_init_time) / 1000; 

    if (curr < hr_init_time) {
	erl_exit(1,"Unexpected behaviour from operating system high "
		 "resolution timer");
    }

    if ((curr - hr_last_correction_check) / 1000 > 1000000) {
	/* Check the correction need */
	SysHrTime tv_diff, diffdiff;
	SysTimeval tmp;
	int done = 0;

	sys_gettimeofday(&tmp);
	tv_diff = ((SysHrTime) tmp.tv_sec) * 1000000 + tmp.tv_usec;
	tv_diff -= ((SysHrTime) inittv.tv_sec) * 1000000 + inittv.tv_usec;
	diffdiff = diff_time - tv_diff;
	if (diffdiff > 10000) {
	    SysHrTime corr = (curr - hr_last_time) / 100;
	    if (corr / 1000 >= diffdiff) {
		++done;
		hr_correction -= ((SysHrTime)diffdiff) * 1000;
	    } else {
		hr_correction -= corr;
	    }
	    diff_time = (curr + hr_correction - hr_init_time) / 1000; 
	} else if (diffdiff < -10000) {
	    SysHrTime corr = (curr - hr_last_time) / 100;
	    if (corr / 1000 >= -diffdiff) {
		++done;
		hr_correction -= ((SysHrTime)diffdiff) * 1000;
	    } else {
		hr_correction += corr;
	    }
	    diff_time = (curr + hr_correction - hr_init_time) / 1000; 
	} else {
	    ++done;
	}
	if (done) {
	    hr_last_correction_check = curr;
	}
    }
    tv->tv_sec += (int) (diff_time / ((SysHrTime) 1000000));
    tv->tv_usec += (int) (diff_time % ((SysHrTime) 1000000));
    if (tv->tv_usec >= 1000000) {
	tv->tv_usec -= 1000000;
	tv->tv_sec += 1;
    }
    hr_last_time = curr;
}

开发者ID:Gustav-Simonsson，项目名称:otp，代码行数:59，代码来源:erl_time_sup.c

示例15: erts_thr_q_destroy

ErtsThrQCleanState_t
erts_thr_q_destroy(ErtsThrQ_t *q)
{
    if (!q->q.blk)
	erl_exit(ERTS_ABORT_EXIT,
		 "Trying to destroy not created thread queue\n");
    return erts_thr_q_finalize(q);
}

开发者ID:0x00evil，项目名称:otp，代码行数:8，代码来源:erl_thr_queue.c

示例16: export_alloc

static struct export_entry*
export_alloc(struct export_entry* tmpl_e)
{
#ifndef ERTS_SLAVE
    struct export_blob* blob;
    unsigned ix;

    if (tmpl_e->slot.index == -1) {  /* Template, allocate blob */
	Export* tmpl = tmpl_e->ep;
	Export* obj;

	blob = (struct export_blob*) erts_alloc(ERTS_ALC_T_EXPORT, sizeof(*blob));
	erts_smp_atomic_add_nob(&total_entries_bytes, sizeof(*blob));
	obj = &blob->exp;
	obj->fake_op_func_info_for_hipe[0] = 0;
	obj->fake_op_func_info_for_hipe[1] = 0;
	obj->code[0] = tmpl->code[0];
	obj->code[1] = tmpl->code[1];
	obj->code[2] = tmpl->code[2];
	obj->code[3] = (BeamInstr) em_call_error_handler;
	obj->code[4] = 0;

#ifdef ERTS_SLAVE_EMU_ENABLED
	obj->slave_fake_op_func_info_for_hipe[0] = 0;
	obj->slave_fake_op_func_info_for_hipe[1] = 0;
	obj->slave_code[0] = tmpl->code[0];
	obj->slave_code[1] = tmpl->code[1];
	obj->slave_code[2] = tmpl->code[2];
	/* If the slave is not online yet, we don't know its opcodes.
	 * slave_code[3] will be touched on all export entries once it comes
	 * online */
	if (slave_initialised)
	    obj->slave_code[3] = (BeamInstr) SlaveOp(op_call_error_handler);
	obj->slave_code[4] = 0;
#endif

	for (ix=0; ix<ERTS_NUM_CODE_IX; ix++) {
	    obj->addressv[ix] = obj->code+3;
#ifdef ERTS_SLAVE_EMU_ENABLED
	    obj->slave_addressv[ix] = obj->slave_code+3;
#endif

	    blob->entryv[ix].slot.index = -1;
	    blob->entryv[ix].ep = &blob->exp;
	}
	ix = 0;
    }
    else { /* Existing entry in another table, use free entry in blob */
	blob = entry_to_blob(tmpl_e);
	for (ix = 0; blob->entryv[ix].slot.index >= 0; ix++) {
	    ASSERT(ix < ERTS_NUM_CODE_IX);
	}
    }
    return &blob->entryv[ix];
#else
    erl_exit(1, "Cannot alloc export entry from slave");
#endif
}

开发者ID:margnus1，项目名称:otp，代码行数:58，代码来源:export.c

示例17: mach_clocks_init

static void
mach_clocks_init(void)
{
    kern_return_t kret;
    host_name_port_t host;
    clock_id_t id;
    clock_serv_t *clck_srv_p;
    char *name;

    host = internal_state.r.o.mach.host = mach_host_self();

#if defined(OS_MONOTONIC_TIME_USING_MACH_CLOCK_GET_TIME) \
    ||  defined(SYS_HRTIME_USING_MACH_CLOCK_GET_TIME)
    id = internal_state.r.o.mach.clock.monotonic.id = MONOTONIC_CLOCK_ID;
    name = internal_state.r.o.mach.clock.monotonic.name = MONOTONIC_CLOCK_ID_STR;
    clck_srv_p = &internal_state.r.o.mach.clock.monotonic.srv;
    kret = host_get_clock_service(host, id, clck_srv_p);
    if (kret != KERN_SUCCESS) {
	erl_exit(ERTS_ABORT_EXIT,
		 "host_get_clock_service(_, %s, _) failed\n",
		 name);
    }
#endif

#if defined(OS_SYSTEM_TIME_USING_MACH_CLOCK_GET_TIME)
    id = internal_state.r.o.mach.clock.wall.id = WALL_CLOCK_ID;
    name = internal_state.r.o.mach.clock.wall.name = WALL_CLOCK_ID_STR;
    clck_srv_p = &internal_state.r.o.mach.clock.wall.srv;
    kret = host_get_clock_service(host, id, clck_srv_p);
    if (kret != KERN_SUCCESS) {
	erl_exit(ERTS_ABORT_EXIT,
		 "host_get_clock_service(_, %s, _) failed\n",
		 name);
    }
#endif

    if (atexit(mach_clocks_fini) != 0) {
	int err = errno;
	char *errstr = err ? strerror(err) : "unknown";
	erl_exit(ERTS_ABORT_EXIT,
		 "Failed to register mach_clocks_fini() "
		 "for call at exit: %s (%d)\n",
		 errstr, err);
    }
}

开发者ID:Dasudian，项目名称:otp，代码行数:45，代码来源:sys_time.c

示例18: process_killer

static void
process_killer(void)
{
    int i, j, max = erts_ptab_max(&erts_proc);
    Process* rp;

    erts_printf("\n\nProcess Information\n\n");
    erts_printf("--------------------------------------------------\n");
    for (i = max-1; i >= 0; i--) {
	rp = erts_pix2proc(i);
	if (rp && rp->i != ENULL) {
	    int br;
	    print_process_info(ERTS_PRINT_STDOUT, NULL, rp);
	    erts_printf("(k)ill (n)ext (r)eturn:\n");
	    while(1) {
		if ((j = sys_get_key(0)) <= 0)
		    erl_exit(0, "");
		switch(j) {
		case 'k': {
		    ErtsProcLocks rp_locks = ERTS_PROC_LOCKS_XSIG_SEND;
		    erts_aint32_t state;
		    erts_proc_inc_refc(rp);
		    erts_smp_proc_lock(rp, rp_locks);
		    state = erts_smp_atomic32_read_acqb(&rp->state);
		    if (state & (ERTS_PSFLG_FREE
				 | ERTS_PSFLG_EXITING
				 | ERTS_PSFLG_ACTIVE
				 | ERTS_PSFLG_ACTIVE_SYS
				 | ERTS_PSFLG_IN_RUNQ
				 | ERTS_PSFLG_RUNNING
				 | ERTS_PSFLG_RUNNING_SYS)) {
			erts_printf("Can only kill WAITING processes this way\n");
		    }
		    else {
			(void) erts_send_exit_signal(NULL,
						     NIL,
						     rp,
						     &rp_locks,
						     am_kill,
						     NIL,
						     NULL,
						     0);
		    }
		    erts_smp_proc_unlock(rp, rp_locks);
		    erts_proc_dec_refc(rp);
		}
		case 'n': br = 1; break;
		case 'r': return;
		default: return;
		}
		if (br == 1) break;
	    }
	}
    }
}

开发者ID:easemob，项目名称:otp，代码行数:55，代码来源:break.c

示例19: os_putenv_2

Eterm
os_putenv_2(Process* p, Eterm key, Eterm value)
{
    char def_buf[1024];
    char *buf = NULL;
    int sep_ix, i, key_len, value_len, tot_len;
    key_len = is_string(key);
    if (!key_len) {
    error:
	if (buf)
	    erts_free(ERTS_ALC_T_TMP, (void *) buf);
	BIF_ERROR(p, BADARG);
    }
    if (is_nil(value))
	value_len = 0;
    else {
	value_len = is_string(value);
	if (!value_len)
	    goto error;
    }
    tot_len = key_len + 1 + value_len + 1;
    if (tot_len <= sizeof(def_buf))
	buf = &def_buf[0];
    else
	buf = erts_alloc(ERTS_ALC_T_TMP, tot_len);
    i = intlist_to_buf(key, buf, key_len);
    if (i != key_len)
	erl_exit(1, "%s:%d: Internal error\n", __FILE__, __LINE__);	
    sep_ix = i;
    buf[i++] = '=';
    if (is_not_nil(value))
	i += intlist_to_buf(value, &buf[i], value_len);
    if (i != key_len + 1 + value_len)
	erl_exit(1, "%s:%d: Internal error\n", __FILE__, __LINE__);	
    buf[i] = '\0';
    if (erts_sys_putenv(buf, sep_ix)) {
	goto error;
    }
    if (buf != &def_buf[0])
	erts_free(ERTS_ALC_T_TMP, (void *) buf);
    BIF_RET(am_true);
}

开发者ID:ask，项目名称:erlang-otp，代码行数:42，代码来源:erl_bif_os.c

示例20: os_getenv_1

Eterm
os_getenv_1(Process* p, Eterm key)
{
    Eterm str;
    int len, res;
    char *key_str, *val;
    char buf[1024];
    size_t val_size = sizeof(buf);

    len = is_string(key);
    if (!len) {
	BIF_ERROR(p, BADARG);
    }
    /* Leave at least one byte in buf for value */
    key_str = len < sizeof(buf)-2 ? &buf[0] : erts_alloc(ERTS_ALC_T_TMP, len+1);
    if (intlist_to_buf(key, key_str, len) != len)
	erl_exit(1, "%s:%d: Internal error\n", __FILE__, __LINE__);
    key_str[len] = '\0';

    if (key_str != &buf[0])
	val = &buf[0];
    else {
	val_size -= len + 1;
	val = &buf[len + 1];
    }
    res = erts_sys_getenv(key_str, val, &val_size);

    if (res < 0) {
    no_var:
	str = am_false;
    } else {
	Eterm* hp;
	if (res > 0) {
	    val = erts_alloc(ERTS_ALC_T_TMP, val_size);
	    while (1) {
		res = erts_sys_getenv(key_str, val, &val_size);
		if (res == 0)
		    break;
		else if (res < 0)
		    goto no_var;
		else
		    val = erts_realloc(ERTS_ALC_T_TMP, val, val_size);
	    }
	}
	if (val_size)
	    hp = HAlloc(p, val_size*2);
	str = buf_to_intlist(&hp, val, val_size, NIL);
    }
    if (key_str != &buf[0])
	erts_free(ERTS_ALC_T_TMP, key_str);
    if (val < &buf[0] || &buf[sizeof(buf)-1] < val)
	erts_free(ERTS_ALC_T_TMP, val);
    BIF_RET(str);
}

开发者ID:ask，项目名称:erlang-otp，代码行数:54，代码来源:erl_bif_os.c

注：本文中的erl_exit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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C++ erl_exit函数代码示例

示例1: posix_clock_gettime_times

示例2: erts_check_memory

示例3: load_preloaded

示例4: erts_check_stack

示例5: info_options

示例6: erts_add_monitor

示例7: pd_check

示例8: http_bld_uri

示例9: info_options

示例10: hash_init

示例11: info_options

示例12: erts_pd_hash_get

示例13: erts_init_time

示例14: get_tolerant_timeofday

示例15: erts_thr_q_destroy

示例16: export_alloc

示例17: mach_clocks_init

示例18: process_killer

示例19: os_putenv_2

示例20: os_getenv_1

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