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Perform some code cleanup

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This commit is contained in:
Justine Tunney 2022-06-23 10:21:07 -07:00
parent 0dd9629562
commit a4601a24d3
63 changed files with 350 additions and 1643 deletions
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44
libc/thread/wait.c
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@ -18,53 +18,25 @@
╚─────────────────────────────────────────────────────────────────────────────*/
#include "libc/bits/atomic.h"
#include "libc/calls/calls.h"
#include "libc/calls/struct/timespec.h"
#include "libc/dce.h"
#include "libc/sysv/consts/clock.h"
#include "libc/sysv/consts/futex.h"
#include "libc/thread/freebsd.internal.h"
#include "libc/errno.h"
#include "libc/intrin/futex.internal.h"
#include "libc/thread/thread.h"
int cthread_memory_wait32(int* addr, int val, const struct timespec* timeout) {
size_t size;
struct _umtx_time *put, ut;
if (IsLinux() || IsOpenbsd()) {
return sys_futex(addr, FUTEX_WAIT, val, timeout, 0);
#if 0
} else if (IsFreebsd()) {
if (!timeout) {
put = 0;
size = 0;
} else {
ut._flags = 0;
ut._clockid = CLOCK_REALTIME;
ut._timeout = *timeout;
put = &ut;
size = sizeof(ut);
}
return _umtx_op(addr, UMTX_OP_MUTEX_WAIT, 0, &size, put);
#endif
return _futex_wait(addr, val, timeout);
} else {
unsigned tries;
for (tries = 1; atomic_load(addr) == val; ++tries) {
if (tries & 7) {
__builtin_ia32_pause();
} else {
sched_yield();
}
}
return 0;
return sched_yield();
}
}
int cthread_memory_wake32(int* addr, int n) {
if (IsLinux() || IsOpenbsd()) {
return sys_futex(addr, FUTEX_WAKE, n, 0, 0);
#if 0
} else if (IsFreebsd()) {
return _umtx_op(addr, UMTX_OP_MUTEX_WAKE, n, 0, 0);
#endif
return _futex_wake(addr, n);
} else {
return 0;
}
return -1;
}