int
ethr_init_common__(ethr_init_data *id)
{
int res;
ethr_init_event__();
#if defined(ETHR_X86_RUNTIME_CONF__)
x86_init();
#endif
if (id) {
ethr_thr_prepare_func__ = id->thread_create_prepare_func;
ethr_thr_parent_func__ = id->thread_create_parent_func;
ethr_thr_child_func__ = id->thread_create_child_func;
}
ethr_cpu_info__ = erts_cpu_info_create();
if (!ethr_cpu_info__)
return ENOMEM;
#ifdef _SC_PAGESIZE
ethr_pagesize__ = (size_t) sysconf(_SC_PAGESIZE);
#elif defined(HAVE_GETPAGESIZE)
ethr_pagesize__ = (size_t) getpagesize();
#else
ethr_pagesize__ = (size_t) 4*1024; /* Guess 4 KB */
#endif
/* User needs at least 4 KB */
ethr_min_stack_size__ = 4*1024;
#if SIZEOF_VOID_P == 8
/* Double that on 64-bit archs */
ethr_min_stack_size__ *= 2;
#endif
/* On some systems as much as about 4 KB is used by the system */
ethr_min_stack_size__ += 4*1024;
/* There should be room for signal handlers */
#ifdef SIGSTKSZ
ethr_min_stack_size__ += SIGSTKSZ;
#else
ethr_min_stack_size__ += ethr_pagesize__;
#endif
/* The system may think that we need more stack */
#if defined(PTHREAD_STACK_MIN)
if (ethr_min_stack_size__ < PTHREAD_STACK_MIN)
ethr_min_stack_size__ = PTHREAD_STACK_MIN;
#elif defined(_SC_THREAD_STACK_MIN)
{
size_t thr_min_stk_sz = (size_t) sysconf(_SC_THREAD_STACK_MIN);
if (ethr_min_stack_size__ < thr_min_stk_sz)
ethr_min_stack_size__ = thr_min_stk_sz;
}
#endif
/* The guard is at least on some platforms included in the stack size
passed when creating threads */
#ifdef ETHR_STACK_GUARD_SIZE
ethr_min_stack_size__ += ETHR_STACK_GUARD_SIZE;
#endif
ethr_min_stack_size__ = ETHR_PAGE_ALIGN(ethr_min_stack_size__);
ethr_min_stack_size__ = ETHR_B2KW(ethr_min_stack_size__);
#ifdef __OSE__
/* For supervisor processes, OSE adds a number of bytes to the requested stack. With this
* addition, the resulting size must not exceed the largest available stack size. The number
* of bytes that will be added is configured in the monolith and can therefore not be
* specified here. We simply assume that it is less than 0x1000. The available stack sizes
* are configured in the .lmconf file and the largest one is usually 65536 bytes.
* Consequently, the requested stack size is limited to 0xF000.
*/
ethr_max_stack_size__ = 0xF000;
#else
ethr_max_stack_size__ = 32*1024*1024;
#endif
#if SIZEOF_VOID_P == 8
ethr_max_stack_size__ *= 2;
#endif
ethr_max_stack_size__ = ETHR_B2KW(ethr_max_stack_size__);
res = ethr_init_atomics();
if (res != 0)
return res;
res = ethr_mutex_lib_init(erts_get_cpu_configured(ethr_cpu_info__));
if (res != 0)
return res;
xhndl_list = NULL;
return 0;
}
int
ethr_init_common__(ethr_init_data *id)
{
int res;
if (id) {
ethr_thr_prepare_func__ = id->thread_create_prepare_func;
ethr_thr_parent_func__ = id->thread_create_parent_func;
ethr_thr_child_func__ = id->thread_create_child_func;
}
ethr_cpu_info__ = erts_cpu_info_create();
if (!ethr_cpu_info__)
return ENOMEM;
#ifdef _SC_PAGESIZE
ethr_pagesize__ = (size_t) sysconf(_SC_PAGESIZE);
#elif defined(HAVE_GETPAGESIZE)
ethr_pagesize__ = (size_t) getpagesize();
#else
ethr_pagesize__ = (size_t) 4*1024; /* Guess 4 KB */
#endif
/* User needs at least 4 KB */
ethr_min_stack_size__ = 4*1024;
#if SIZEOF_VOID_P == 8
/* Double that on 64-bit archs */
ethr_min_stack_size__ *= 2;
#endif
/* On some systems as much as about 4 KB is used by the system */
ethr_min_stack_size__ += 4*1024;
/* There should be room for signal handlers */
#ifdef SIGSTKSZ
ethr_min_stack_size__ += SIGSTKSZ;
#else
ethr_min_stack_size__ += ethr_pagesize__;
#endif
/* The system may think that we need more stack */
#if defined(PTHREAD_STACK_MIN)
if (ethr_min_stack_size__ < PTHREAD_STACK_MIN)
ethr_min_stack_size__ = PTHREAD_STACK_MIN;
#elif defined(_SC_THREAD_STACK_MIN)
{
size_t thr_min_stk_sz = (size_t) sysconf(_SC_THREAD_STACK_MIN);
if (ethr_min_stack_size__ < thr_min_stk_sz)
ethr_min_stack_size__ = thr_min_stk_sz;
}
#endif
/* The guard is at least on some platforms included in the stack size
passed when creating threads */
#ifdef ETHR_STACK_GUARD_SIZE
ethr_min_stack_size__ += ETHR_STACK_GUARD_SIZE;
#endif
ethr_min_stack_size__ = ETHR_PAGE_ALIGN(ethr_min_stack_size__);
ethr_min_stack_size__ = ETHR_B2KW(ethr_min_stack_size__);
ethr_max_stack_size__ = 32*1024*1024;
#if SIZEOF_VOID_P == 8
ethr_max_stack_size__ *= 2;
#endif
ethr_max_stack_size__ = ETHR_B2KW(ethr_max_stack_size__);
#ifndef ETHR_HAVE_OPTIMIZED_ATOMIC_OPS
{
int i;
for (i = 0; i < (1 << ETHR_ATOMIC_ADDR_BITS); i++) {
res = ethr_spinlock_init(ðr_atomic_protection__[i].u.lck);
if (res != 0)
return res;
}
}
#endif
res = ethr_mutex_lib_init(erts_get_cpu_configured(ethr_cpu_info__));
if (res != 0)
return res;
xhndl_list = NULL;
return 0;
}
int main(int argc, char **argv)
#endif
{
int haltAfterwards = 0; /* If true, put 's erlang halt' at the end
* of the arguments. */
int isdistributed = 0;
int no_epmd = 0;
int i;
char* s;
char *epmd_prog = NULL;
char *malloc_lib;
int process_args = 1;
int print_args_exit = 0;
int print_qouted_cmd_exit = 0;
erts_cpu_info_t *cpuinfo = NULL;
#ifdef __WIN32__
this_module_handle = module;
run_werl = windowed;
/* if we started this erl just to get a detached emulator,
* the arguments are already prepared for beam, so we skip
* directly to start_emulator */
s = get_env("ERL_CONSOLE_MODE");
if (s != NULL && strcmp(s, "detached")==0) {
free_env_val(s);
s = get_env("ERL_EMULATOR_DLL");
if (s != NULL) {
argv[0] = strsave(s);
} else {
argv[0] = strsave(EMULATOR_EXECUTABLE);
}
ensure_EargsSz(argc + 1);
memcpy((void *) Eargsp, (void *) argv, argc * sizeof(char *));
Eargsp[argc] = NULL;
emu = argv[0];
start_emulator_program = strsave(argv[0]);
goto skip_arg_massage;
}
free_env_val(s);
#else
int reset_cerl_detached = 0;
s = get_env("CERL_DETACHED_PROG");
if (s && strcmp(s, "") != 0) {
emu = s;
start_detached = 1;
reset_cerl_detached = 1;
ensure_EargsSz(argc + 1);
memcpy((void *) Eargsp, (void *) argv, argc * sizeof(char *));
Eargsp[argc] = emu;
Eargsp[argc] = NULL;
goto skip_arg_massage;
}
free_env_val(s);
#endif
initial_argv_massage(&argc, &argv); /* Merge with env; expand -args_file */
i = 1;
#ifdef __WIN32__
/* Not used? /rickard */
if ((argc > 2) && (strcmp(argv[i], "-regkey") == 0)) {
key_val_name = strsave(argv[i+1]);
i = 3;
}
#endif
get_parameters(argc, argv);
/*
* Construct the path of the executable.
*/
cpuinfo = erts_cpu_info_create();
/* '-smp auto' is default */
#ifdef ERTS_HAVE_SMP_EMU
if (erts_get_cpu_configured(cpuinfo) > 1)
emu_type |= EMU_TYPE_SMP;
#endif
#if defined(__WIN32__) && defined(WIN32_ALWAYS_DEBUG)
emu_type_passed |= EMU_TYPE_DEBUG;
emu_type |= EMU_TYPE_DEBUG;
#endif
/* We need to do this before the ordinary processing. */
malloc_lib = get_env("ERL_MALLOC_LIB");
while (i < argc) {
if (argv[i][0] == '+') {
if (argv[i][1] == 'M' && argv[i][2] == 'Y' && argv[i][3] == 'm') {
if (argv[i][4] == '\0') {
if (++i < argc)
malloc_lib = argv[i];
else
usage("+MYm");
}
else
malloc_lib = &argv[i][4];
}
}
else if (argv[i][0] == '-') {
if (strcmp(argv[i], "-smp") == 0) {
if (i + 1 >= argc)
goto smp;
if (strcmp(argv[i+1], "auto") == 0) {
i++;
smp_auto:
emu_type_passed |= EMU_TYPE_SMP;
#ifdef ERTS_HAVE_SMP_EMU
if (erts_get_cpu_configured(cpuinfo) > 1)
emu_type |= EMU_TYPE_SMP;
else
#endif
emu_type &= ~EMU_TYPE_SMP;
}
else if (strcmp(argv[i+1], "enable") == 0) {
i++;
smp_enable:
emu_type_passed |= EMU_TYPE_SMP;
#ifdef ERTS_HAVE_SMP_EMU
emu_type |= EMU_TYPE_SMP;
#else
usage_notsup("-smp enable");
#endif
}
else if (strcmp(argv[i+1], "disable") == 0) {
i++;
smp_disable:
emu_type_passed |= EMU_TYPE_SMP;
emu_type &= ~EMU_TYPE_SMP;
}
else {
smp:
emu_type_passed |= EMU_TYPE_SMP;
#ifdef ERTS_HAVE_SMP_EMU
emu_type |= EMU_TYPE_SMP;
#else
usage_notsup("-smp");
#endif
}
} else if (strcmp(argv[i], "-smpenable") == 0) {
goto smp_enable;
} else if (strcmp(argv[i], "-smpauto") == 0) {
goto smp_auto;
} else if (strcmp(argv[i], "-smpdisable") == 0) {
goto smp_disable;
#ifdef __WIN32__
} else if (strcmp(argv[i], "-debug") == 0) {
emu_type_passed |= EMU_TYPE_DEBUG;
emu_type |= EMU_TYPE_DEBUG;
#endif
} else if (strcmp(argv[i], "-hybrid") == 0) {
emu_type_passed |= EMU_TYPE_HYBRID;
#ifdef ERTS_HAVE_HYBRID_EMU
emu_type |= EMU_TYPE_HYBRID;
#else
usage_notsup("-hybrid");
#endif
} else if (strcmp(argv[i], "-extra") == 0) {
break;
}
}
i++;
}
erts_cpu_info_destroy(cpuinfo);
cpuinfo = NULL;
if ((emu_type & EMU_TYPE_HYBRID) && (emu_type & EMU_TYPE_SMP)) {
/*
* We have a conflict. Only using explicitly passed arguments
* may solve it...
*/
emu_type &= emu_type_passed;
if ((emu_type & EMU_TYPE_HYBRID) && (emu_type & EMU_TYPE_SMP)) {
usage_msg("Hybrid heap emulator with SMP support selected. The "
"combination hybrid heap and SMP support is currently "
"not supported.");
}
}
if (malloc_lib) {
if (strcmp(malloc_lib, "libc") != 0)
usage("+MYm");
}
emu = add_extra_suffixes(emu, emu_type);
sprintf(tmpStr, "%s" DIRSEP "%s" BINARY_EXT, bindir, emu);
emu = strsave(tmpStr);
add_Eargs(emu); /* Will be argv[0] -- necessary! */
/*
* Add the bindir to the path (unless it is there already).
*/
s = get_env("PATH");
if (!s) {
sprintf(tmpStr, "%s" PATHSEP "%s" DIRSEP "bin", bindir, rootdir);
} else if (strstr(s, bindir) == NULL) {
sprintf(tmpStr, "%s" PATHSEP "%s" DIRSEP "bin" PATHSEP "%s", bindir,
rootdir, s);
} else {
sprintf(tmpStr, "%s", s);
}
free_env_val(s);
set_env("PATH", tmpStr);
i = 1;
#ifdef __WIN32__
#define ADD_BOOT_CONFIG \
if (boot_script) \
add_args("-boot", boot_script, NULL); \
if (config_script) \
add_args("-config", config_script, NULL);
#else
#define ADD_BOOT_CONFIG
#endif
get_home();
add_args("-home", home, NULL);
add_epmd_port();
add_arg("--");
while (i < argc) {
if (!process_args) { /* Copy arguments after '-extra' */
add_arg(argv[i]);
i++;
} else {
switch (argv[i][0]) {
case '-':
switch (argv[i][1]) {
#ifdef __WIN32__
case 'b':
if (strcmp(argv[i], "-boot") == 0) {
if (boot_script)
error("Conflicting -start_erl and -boot options");
if (i+1 >= argc)
usage("-boot");
boot_script = strsave(argv[i+1]);
i++;
}
else {
add_arg(argv[i]);
}
break;
#endif
case 'c':
if (strcmp(argv[i], "-compile") == 0) {
/*
* Note that the shell script erl.exec does an recursive call
* on itself here. We'll avoid doing that.
*/
add_args("-noshell", "-noinput", "-s", "c", "lc_batch",
NULL);
add_Eargs("-B");
haltAfterwards = 0;
}
#ifdef __WIN32__
else if (strcmp(argv[i], "-config") == 0){
if (config_script)
error("Conflicting -start_erl and -config options");
if (i+1 >= argc)
usage("-config");
config_script = strsave(argv[i+1]);
i++;
}
#endif
else {
add_arg(argv[i]);
}
break;
case 'd':
if (strcmp(argv[i], "-detached") != 0) {
add_arg(argv[i]);
} else {
start_detached = 1;
add_args("-noshell", "-noinput", NULL);
}
break;
case 'i':
if (strcmp(argv[i], "-instr") == 0) {
add_Eargs("-Mim");
add_Eargs("true");
}
else
add_arg(argv[i]);
break;
case 'e':
if (strcmp(argv[i], "-extra") == 0) {
process_args = 0;
ADD_BOOT_CONFIG;
add_arg(argv[i]);
} else if (strcmp(argv[i], "-emu_args") == 0) { /* -emu_args */
verbose = 1;
} else if (strcmp(argv[i], "-emu_args_exit") == 0) {
print_args_exit = 1;
} else if (strcmp(argv[i], "-emu_qouted_cmd_exit") == 0) {
print_qouted_cmd_exit = 1;
} else if (strcmp(argv[i], "-env") == 0) { /* -env VARNAME VARVALUE */
if (i+2 >= argc)
usage("-env");
set_env(argv[i+1], argv[i+2]);
i += 2;
} else if (strcmp(argv[i], "-epmd") == 0) {
if (i+1 >= argc)
usage("-epmd");
epmd_prog = argv[i+1];
++i;
} else {
add_arg(argv[i]);
}
break;
case 'k':
if (strcmp(argv[i], "-keep_window") == 0) {
keep_window = 1;
} else
add_arg(argv[i]);
break;
case 'm':
/*
* Note that the shell script erl.exec does an recursive call
* on itself here. We'll avoid doing that.
*/
if (strcmp(argv[i], "-make") == 0) {
add_args("-noshell", "-noinput", "-s", "make", "all", NULL);
add_Eargs("-B");
haltAfterwards = 1;
i = argc; /* Skip rest of command line */
} else if (strcmp(argv[i], "-man") == 0) {
#if defined(__WIN32__)
error("-man not supported on Windows");
#else
argv[i] = "man";
sprintf(tmpStr, "%s/man", rootdir);
set_env("MANPATH", tmpStr);
execvp("man", argv+i);
error("Could not execute the 'man' command.");
#endif
} else
add_arg(argv[i]);
break;
case 'n':
if (strcmp(argv[i], "-name") == 0) { /* -name NAME */
if (i+1 >= argc)
usage("-name");
/*
* Note: Cannot use add_args() here, due to non-defined
* evaluation order.
*/
add_arg(argv[i]);
add_arg(argv[i+1]);
isdistributed = 1;
i++;
} else if (strcmp(argv[i], "-noinput") == 0) {
add_args("-noshell", "-noinput", NULL);
} else if (strcmp(argv[i], "-nohup") == 0) {
add_arg("-nohup");
nohup = 1;
} else if (strcmp(argv[i], "-no_epmd") == 0) {
add_arg("-no_epmd");
no_epmd = 1;
} else {
add_arg(argv[i]);
}
break;
case 's': /* -sname NAME */
if (strcmp(argv[i], "-sname") == 0) {
if (i+1 >= argc)
usage("-sname");
add_arg(argv[i]);
add_arg(argv[i+1]);
isdistributed = 1;
i++;
}
#ifdef __WIN32__
else if (strcmp(argv[i], "-service_event") == 0) {
add_arg(argv[i]);
add_arg(argv[i+1]);
i++;
}
else if (strcmp(argv[i], "-start_erl") == 0) {
if (i+1 < argc && argv[i+1][0] != '-') {
get_start_erl_data(argv[i+1]);
i++;
} else
get_start_erl_data((char *) NULL);
}
#endif
else
add_arg(argv[i]);
break;
case 'v': /* -version */
if (strcmp(argv[i], "-version") == 0) {
add_Eargs("-V");
} else {
add_arg(argv[i]);
}
break;
default:
add_arg(argv[i]);
break;
} /* switch(argv[i][1] */
break;
case '+':
switch (argv[i][1]) {
case '#':
case 'a':
case 'A':
case 'b':
case 'h':
case 'i':
case 'P':
case 'S':
case 'T':
case 'R':
case 'W':
case 'K':
if (argv[i][2] != '\0')
goto the_default;
if (i+1 >= argc)
usage(argv[i]);
argv[i][0] = '-';
add_Eargs(argv[i]);
add_Eargs(argv[i+1]);
i++;
break;
case 'B':
argv[i][0] = '-';
if (argv[i][2] != '\0') {
if ((argv[i][2] != 'i') &&
(argv[i][2] != 'c') &&
(argv[i][2] != 'd')) {
usage(argv[i]);
} else {
add_Eargs(argv[i]);
break;
}
}
if (i+1 < argc) {
if ((argv[i+1][0] != '-') &&
(argv[i+1][0] != '+')) {
if (argv[i+1][0] == 'i') {
add_Eargs(argv[i]);
add_Eargs(argv[i+1]);
i++;
break;
} else {
usage(argv[i]);
}
}
}
add_Eargs(argv[i]);
break;
case 'M': {
int x;
for (x = 0; plusM_au_allocs[x]; x++)
if (plusM_au_allocs[x] == argv[i][2])
break;
if ((plusM_au_allocs[x]
&& is_one_of_strings(&argv[i][3],
plusM_au_alloc_switches))
|| is_one_of_strings(&argv[i][2],
plusM_other_switches)) {
if (i+1 >= argc
|| argv[i+1][0] == '-'
|| argv[i+1][0] == '+')
usage(argv[i]);
argv[i][0] = '-';
add_Eargs(argv[i]);
add_Eargs(argv[i+1]);
i++;
}
else
goto the_default;
break;
}
case 's':
if (!is_one_of_strings(&argv[i][2],
pluss_val_switches))
goto the_default;
else {
if (i+1 >= argc
|| argv[i+1][0] == '-'
|| argv[i+1][0] == '+')
usage(argv[i]);
argv[i][0] = '-';
add_Eargs(argv[i]);
add_Eargs(argv[i+1]);
i++;
}
break;
default:
the_default:
argv[i][0] = '-'; /* Change +option to -option. */
add_Eargs(argv[i]);
}
break;
default:
add_arg(argv[i]);
} /* switch(argv[i][0] */
i++;
}
}
if (process_args) {
ADD_BOOT_CONFIG;
}
#undef ADD_BOOT_CONFIG
/* Doesn't conflict with -extra, since -make skips all the rest of
the arguments. */
if (haltAfterwards) {
add_args("-s", "erlang", "halt", NULL);
}
if (isdistributed && !no_epmd)
start_epmd(epmd_prog);
#if (! defined(__WIN32__)) && defined(DEBUG)
if (start_detached) {
/* Start the emulator within an xterm.
* Move up all arguments and insert
* "xterm -e " first.
* The path must be searched for this
* to work, i.e execvp() must be used.
*/
ensure_EargsSz(EargsCnt+2);
for (i = EargsCnt; i > 0; i--)
Eargsp[i+1] = Eargsp[i-1]; /* Two args to insert */
EargsCnt += 2; /* Two args to insert */
Eargsp[0] = emu = "xterm";
Eargsp[1] = "-e";
}
#endif
add_Eargs("--");
add_Eargs("-root");
add_Eargs(rootdir);
add_Eargs("-progname");
add_Eargs(progname);
add_Eargs("--");
ensure_EargsSz(EargsCnt + argsCnt + 1);
for (i = 0; i < argsCnt; i++)
Eargsp[EargsCnt++] = argsp[i];
Eargsp[EargsCnt] = NULL;
if (print_qouted_cmd_exit) {
printf("\"%s\" ", emu);
for (i = 1; i < EargsCnt; i++)
printf("\"%s\" ", Eargsp[i]);
printf("\n");
exit(0);
}
if (print_args_exit) {
for (i = 1; i < EargsCnt; i++)
printf("%s ", Eargsp[i]);
printf("\n");
exit(0);
}
if (verbose) {
printf("Executing: %s", emu);
for (i = 0; i < EargsCnt; i++)
printf(" %s", Eargsp[i]);
printf("\n\n");
}
#ifdef __WIN32__
if (EargsSz != EargsCnt + 1)
Eargsp = (char **) erealloc((void *) Eargsp, (EargsCnt + 1) *
sizeof(char *));
efree((void *) argsp);
skip_arg_massage:
/*DebugBreak();*/
if (run_werl) {
if (start_detached) {
char *p;
/* transform werl to erl */
p = start_emulator_program+strlen(start_emulator_program);
while (--p >= start_emulator_program && *p != '/' && *p != '\\' &&
*p != 'W' && *p != 'w')
;
if (p >= start_emulator_program && (*p == 'W' || *p == 'w') &&
(p[1] == 'E' || p[1] == 'e') && (p[2] == 'R' || p[2] == 'r') &&
(p[3] == 'L' || p[3] == 'l')) {
memmove(p,p+1,strlen(p));
}
}
return start_win_emulator(emu, start_emulator_program, Eargsp, start_detached);
} else {
return start_emulator(emu, start_emulator_program, Eargsp, start_detached);
}
#else
skip_arg_massage:
if (start_detached) {
int status = fork();
if (status != 0) /* Parent */
return 0;
if (reset_cerl_detached)
putenv("CERL_DETACHED_PROG=");
/* Detach from controlling terminal */
#ifdef HAVE_SETSID
setsid();
#elif defined(TIOCNOTTY)
{
int fd = open("/dev/tty", O_RDWR);
if (fd >= 0) {
ioctl(fd, TIOCNOTTY, NULL);
close(fd);
}
}
#endif
status = fork();
if (status != 0) /* Parent */
return 0;
/*
* Grandchild.
*/
close(0);
open("/dev/null", O_RDONLY);
close(1);
open("/dev/null", O_WRONLY);
close(2);
open("/dev/null", O_WRONLY);
#ifdef DEBUG
execvp(emu, Eargsp); /* "xterm ..." needs to search the path */
#endif
}
#ifdef DEBUG
else
#endif
{
execv(emu, Eargsp);
}
error("Error %d executing \'%s\'.", errno, emu);
return 1;
#endif
}
