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add support to set resource limits for the daemon and set some of them to some sane values

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git-svn-id: file:///home/lennart/svn/public/pulseaudio/trunk@1116 fefdeb5f-60dc-0310-8127-8f9354f1896f
This commit is contained in:
Lennart Poettering 2006-07-20 01:25:37 +00:00
parent 0ff247db73
commit 2409f1a80b
5 changed files with 153 additions and 2 deletions
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84
src/daemon/daemon-conf.c
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@ -73,6 +73,20 @@ static const pa_daemon_conf default_conf = {
.config_file = NULL,
.use_pid_file = 1,
.system_instance = 0
#ifdef HAVE_SYS_RESOURCE_H
, .rlimit_as = { .value = 0, .is_set = 0 },
.rlimit_core = { .value = 0, .is_set = 0 },
.rlimit_data = { .value = 0, .is_set = 0 },
.rlimit_fsize = { .value = 0, .is_set = 0 },
.rlimit_nofile = { .value = 25, .is_set = 1 },
.rlimit_stack = { .value = 0, .is_set = 0 }
#ifdef RLIMIT_NPROC
, .rlimit_nproc = { .value = 0, .is_set = 0 }
#endif
#ifdef RLIMIT_MEMLOCK
, .rlimit_memlock = { .value = 0, .is_set = 1 }
#endif
#endif
};
pa_daemon_conf* pa_daemon_conf_new(void) {
@ -184,6 +198,30 @@ static int parse_resample_method(const char *filename, unsigned line, const char
return 0;
}
static int parse_rlimit(const char *filename, unsigned line, const char *lvalue, const char *rvalue, void *data, PA_GCC_UNUSED void *userdata) {
pa_rlimit *r = data;
assert(filename);
assert(lvalue);
assert(rvalue);
assert(r);
if (rvalue[strspn(rvalue, "\t ")] == 0) {
/* Empty string */
r->is_set = 0;
r->value = 0;
} else {
int32_t k;
if (pa_atoi(rvalue, &k) < 0) {
pa_log(__FILE__": [%s:%u] Inavalid rlimit '%s'.", filename, line, rvalue);
return -1;
}
r->is_set = k >= 0;
r->value = k >= 0 ? (rlim_t) k : 0;
}
return 0;
}
int pa_daemon_conf_load(pa_daemon_conf *c, const char *filename) {
int r = -1;
FILE *f = NULL;
@ -204,6 +242,20 @@ int pa_daemon_conf_load(pa_daemon_conf *c, const char *filename) {
{ "resample-method", parse_resample_method, NULL },
{ "use-pid-file", pa_config_parse_bool, NULL },
{ "system-instance", pa_config_parse_bool, NULL },
#ifdef HAVE_SYS_RESOURCE_H
{ "rlimit-as", parse_rlimit, NULL },
{ "rlimit-core", parse_rlimit, NULL },
{ "rlimit-data", parse_rlimit, NULL },
{ "rlimit-fsize", parse_rlimit, NULL },
{ "rlimit-nofile", parse_rlimit, NULL },
{ "rlimit-stack", parse_rlimit, NULL },
#ifdef RLIMIT_NPROC
{ "rlimit-nproc", parse_rlimit, NULL },
#endif
#ifdef RLIMIT_MEMLOCK
{ "rlimit-memlock", parse_rlimit, NULL },
#endif
#endif
{ NULL, NULL, NULL },
};
@ -222,6 +274,24 @@ int pa_daemon_conf_load(pa_daemon_conf *c, const char *filename) {
table[12].data = c;
table[13].data = &c->use_pid_file;
table[14].data = &c->system_instance;
#ifdef HAVE_SYS_RESOURCE_H
table[15].data = &c->rlimit_as;
table[16].data = &c->rlimit_core;
table[17].data = &c->rlimit_data;
table[18].data = &c->rlimit_fsize;
table[19].data = &c->rlimit_nofile;
table[20].data = &c->rlimit_stack;
#ifdef RLIMIT_NPROC
table[21].data = &c->rlimit_nproc;
#endif
#ifdef RLIMIT_MEMLOCK
#ifndef RLIMIT_NPROC
#error "Houston, we have a numbering problem!"
#endif
table[22].data = &c->rlimit_memlock;
#endif
#endif
pa_xfree(c->config_file);
c->config_file = NULL;
@ -289,6 +359,20 @@ char *pa_daemon_conf_dump(pa_daemon_conf *c) {
pa_strbuf_printf(s, "resample-method = %s\n", pa_resample_method_to_string(c->resample_method));
pa_strbuf_printf(s, "use-pid-file = %i\n", c->use_pid_file);
pa_strbuf_printf(s, "system-instance = %i\n", !!c->system_instance);
#ifdef HAVE_SYS_RESOURCE_H
pa_strbuf_printf(s, "rlimit-as = %li\n", c->rlimit_as.is_set ? (long int) c->rlimit_as.value : -1);
pa_strbuf_printf(s, "rlimit-core = %li\n", c->rlimit_core.is_set ? (long int) c->rlimit_core.value : -1);
pa_strbuf_printf(s, "rlimit-data = %li\n", c->rlimit_data.is_set ? (long int) c->rlimit_data.value : -1);
pa_strbuf_printf(s, "rlimit-fsize = %li\n", c->rlimit_fsize.is_set ? (long int) c->rlimit_fsize.value : -1);
pa_strbuf_printf(s, "rlimit-nofile = %li\n", c->rlimit_nofile.is_set ? (long int) c->rlimit_nofile.value : -1);
pa_strbuf_printf(s, "rlimit-stack = %li\n", c->rlimit_stack.is_set ? (long int) c->rlimit_stack.value : -1);
#ifdef RLIMIT_NPROC
pa_strbuf_printf(s, "rlimit-nproc = %li\n", c->rlimit_nproc.is_set ? (long int) c->rlimit_nproc.value : -1);
#endif
#ifdef RLIMIT_MEMLOCK
pa_strbuf_printf(s, "rlimit-memlock = %li\n", c->rlimit_memlock.is_set ? (long int) c->rlimit_memlock.value : -1);
#endif
#endif
return pa_strbuf_tostring_free(s);
}