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Add more POSIX threads APIs

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This commit is contained in:
Justine Tunney 2022-09-09 11:30:33 -07:00
parent 1729a8259c
commit c3208eb9d5
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GPG key ID: BE714B4575D6E328
32 changed files with 592 additions and 87 deletions
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16
examples/getcpucount.c
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@ -7,19 +7,9 @@
│ • http://creativecommons.org/publicdomain/zero/1.0/ │
╚─────────────────────────────────────────────────────────────────*/
#endif
#include "libc/calls/calls.h"
#include "libc/fmt/itoa.h"
#include "libc/intrin/kprintf.h"
#include "libc/runtime/sysconf.h"
#include "libc/stdio/stdio.h"
int main(int argc, char *argv[]) {
int c, n;
char a[22], *p;
if ((c = GetCpuCount())) {
p = FormatInt64(a, c);
*p++ = '\n';
return write(1, a, p - a) == p - a ? 0 : 1;
} else {
return 1;
}
int main() {
kprintf("%d\n", GetCpuCount());
}

19
examples/greenbean.c
View file

@ -8,7 +8,6 @@
╚─────────────────────────────────────────────────────────────────*/
#endif
#include "libc/assert.h"
#include "libc/intrin/atomic.h"
#include "libc/calls/calls.h"
#include "libc/calls/struct/sigaction.h"
#include "libc/calls/struct/sigset.h"
@ -17,7 +16,9 @@
#include "libc/dce.h"
#include "libc/fmt/conv.h"
#include "libc/fmt/itoa.h"
#include "libc/intrin/atomic.h"
#include "libc/intrin/kprintf.h"
#include "libc/intrin/pthread.h"
#include "libc/intrin/wait0.internal.h"
#include "libc/limits.h"
#include "libc/log/check.h"
@ -110,7 +111,7 @@ _Atomic(int) connections;
_Atomic(int) closingtime;
const char *volatile status;
int Worker(void *id, int tid) {
void *Worker(void *id) {
int server, yes = 1;
// load balance incoming connections for port 8080 across all threads
@ -276,8 +277,8 @@ void PrintStatus(void) {
}
int main(int argc, char *argv[]) {
int i;
struct spawn *th;
int i, rc;
pthread_t *th;
uint32_t *hostips;
// ShowCrashReports();
@ -298,7 +299,7 @@ int main(int argc, char *argv[]) {
threads = argc > 1 ? atoi(argv[1]) : GetCpuCount();
if (!(1 <= threads && threads <= 100000)) {
kprintf("error: invalid number of threads\n");
kprintf("error: invalid number of threads: %d\n", threads);
exit(1);
}
@ -309,12 +310,12 @@ int main(int argc, char *argv[]) {
pledge("stdio inet", 0);
// spawn over 9,000 worker threads
th = calloc(threads, sizeof(*th));
th = calloc(threads, sizeof(pthread_t));
for (i = 0; i < threads; ++i) {
++workers;
if (_spawn(Worker, (void *)(intptr_t)i, th + i) == -1) {
if ((rc = pthread_create(th + i, 0, Worker, (void *)(intptr_t)i))) {
--workers;
kprintf("error: _spawn(%d) failed %m\n", i);
kprintf("error: pthread_create(%d) failed %s\n", i, strerror(rc));
}
if (!(i % 500)) {
PrintStatus();
@ -332,7 +333,7 @@ int main(int argc, char *argv[]) {
// join the workers
for (i = 0; i < threads; ++i) {
_join(th + i);
pthread_join(th[i], 0);
}
// clean up memory