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Get threads working on all platforms

Browse source 
We now have a high-quality clone() implementation for creating
lightweight threads on Linux/Windows/FreeBSD/NetBSD/OpenBSD.
This commit is contained in:
Justine Tunney 2022-05-12 17:52:13 -07:00
parent 4e62cefa6e
commit fec396037a
43 changed files with 850 additions and 532 deletions
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17
libc/intrin/exit1.greg.c
View file

@ -16,14 +16,12 @@
│ TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR │
│ PERFORMANCE OF THIS SOFTWARE. │
╚─────────────────────────────────────────────────────────────────────────────*/
#include "libc/bits/weaken.h"
#include "libc/calls/internal.h"
#include "libc/calls/strace.internal.h"
#include "libc/dce.h"
#include "libc/intrin/setjmp.internal.h"
#include "libc/intrin/winthread.internal.h"
#include "libc/mem/mem.h"
#include "libc/nt/runtime.h"
#include "libc/nt/thread.h"
#include "libc/runtime/runtime.h"
#include "libc/sysv/consts/nr.h"
/**
@ -36,18 +34,15 @@
*/
privileged wontreturn void _Exit1(int rc) {
struct WinThread *wt;
STRACE("_Exit1(%d)", rc);
/* STRACE("_Exit1(%d)", rc); */
if (!IsWindows() && !IsMetal()) {
register long r10 asm("r10") = 0;
asm volatile("syscall"
: /* no outputs */
: "a"(__NR_exit), "D"(IsLinux() ? rc : 0)
: "a"(__NR_exit), "D"(IsLinux() ? rc : 0), "S"(0), "d"(0),
"r"(r10)
: "rcx", "r11", "memory");
__builtin_unreachable();
} else if (IsWindows()) {
if ((wt = GetWinThread())) {
__releasefd(wt->pid);
weaken(free)(wt);
}
ExitThread(rc);
}
for (;;) {