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Start threads detached.

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This commit is contained in:
Aaron Gyes
2022-02-08 16:41:11 -08:00
parent e0c8e1cd70
commit 63bfab9975
1 changed files with 13 additions and 6 deletions
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19
src/iothread.cpp
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@@ -353,14 +353,21 @@ bool make_detached_pthread(void *(*func)(void *), void *param) {
// Spawn a thread. If this fails, it means there's already a bunch of threads; it is very
// unlikely that they are all on the verge of exiting, so one is likely to be ready to handle
// extant requests. So we can ignore failure with some confidence.
pthread_t thread = 0;
int err = pthread_create(&thread, nullptr, func, param);
pthread_t thread;
pthread_attr_t thread_attr;
DIE_ON_FAILURE(pthread_attr_init(&thread_attr));
int err = pthread_attr_setdetachstate(&thread_attr, PTHREAD_CREATE_DETACHED);
if (err == 0) {
// Success, return the thread.
FLOGF(iothread, "pthread %p spawned", (intptr_t)thread);
DIE_ON_FAILURE(pthread_detach(thread));
err = pthread_create(&thread, &thread_attr, func, param);
if (err == 0) {
FLOGF(iothread, "pthread %d spawned", thread);
pthread_attr_destroy(&thread_attr);
} else {
perror("pthread_create");
}
} else {
perror("pthread_create");
perror("pthread_attr_setdetachstate");
}
// Restore our sigmask.
DIE_ON_FAILURE(pthread_sigmask(SIG_SETMASK, &saved_set, nullptr));