ed/Odin
1
0
Fork 0
mirror of https://github.com/Ed94/Odin.git synced 2026-08-06 15:48:51 +00:00
Code Issues Packages Projects Releases Wiki Activity

Remove loops within futex signals on Linux

Browse Source
This commit is contained in:
gingerBill
2023-01-02 22:13:49 +00:00
parent d36c3c2590
commit bc9ee8e1a4
2 changed files with 9 additions and 17 deletions
Download Patch File Download Diff File Expand all files Collapse all files
src/threading.cpp
-8
View File
@@ -472,26 +472,18 @@ gb_internal void thread_set_name(Thread *t, char const *name) {
#include <sys/syscall.h> #include <sys/syscall.h>
gb_internal void futex_signal(Futex *addr) { gb_internal void futex_signal(Futex *addr) {
for (;;) {
int ret = syscall(SYS_futex, addr, FUTEX_WAKE | FUTEX_PRIVATE_FLAG, 1, NULL, NULL, 0); int ret = syscall(SYS_futex, addr, FUTEX_WAKE | FUTEX_PRIVATE_FLAG, 1, NULL, NULL, 0);
if (ret == -1) { if (ret == -1) {
perror("Futex wake"); perror("Futex wake");
GB_PANIC("Failed in futex wake!\n"); GB_PANIC("Failed in futex wake!\n");
} else if (ret > 0) {
return;
}
} }
} }
gb_internal void futex_broadcast(Futex *addr) { gb_internal void futex_broadcast(Futex *addr) {
for (;;) {
int ret = syscall(SYS_futex, addr, FUTEX_WAKE | FUTEX_PRIVATE_FLAG, INT32_MAX, NULL, NULL, 0); int ret = syscall(SYS_futex, addr, FUTEX_WAKE | FUTEX_PRIVATE_FLAG, INT32_MAX, NULL, NULL, 0);
if (ret == -1) { if (ret == -1) {
perror("Futex wake"); perror("Futex wake");
GB_PANIC("Failed in futex wake!\n"); GB_PANIC("Failed in futex wake!\n");
} else if (ret > 0) {
return;
}
} }
} }