mirrors/cosmopolitan
1
0
Fork 0
mirror of https://github.com/jart/cosmopolitan.git synced 2025-08-07 02:10:27 +00:00
Code Issues Projects Releases Packages Wiki Activity Actions

zipos threading stress test

Browse source
This commit is contained in:
Jōshin 2023-12-14 14:38:32 -05:00
parent 8dbfb77890
commit 79e5ca4a24
No known key found for this signature in database
1 changed files with 61 additions and 0 deletions
Download patch file Download diff file Expand all files Collapse all files

61
test/libc/runtime/zipos_test.c
View file

@ -19,6 +19,7 @@
#include "libc/calls/calls.h"
#include "libc/calls/struct/stat.h"
#include "libc/errno.h"
#include "libc/intrin/kprintf.h"
#include "libc/limits.h"
#include "libc/mem/gc.h"
#include "libc/mem/gc.internal.h"
@ -124,3 +125,63 @@ TEST(zipos, closeAfterVfork) {
ASSERT_SYS(0, 0, close(3));
ASSERT_SYS(EBADF, -1, close(3));
}
struct State {
int depth;
int fd;
pthread_t thread;
};
#define READS() \
for (int i = 0; i < 4; ++i) { \
char buf[8]; \
ASSERT_SYS(0, 8, read(fd, buf, 8)); \
}
#define SEEKS() \
for (int i = 0; i < 4; ++i) { \
rc = lseek(fd, 8, SEEK_CUR); \
ASSERT_NE(rc, -1); \
}
static void *pthread_main(void *ptr) {
struct State *s = ptr;
struct State children[2];
int fd, rc;
kprintf("pthread_main depth:%d fd:%d\n", s->depth, s->fd);
fd = s->fd;
if (s->depth < 3) {
for (int i = 0; i < 2; ++i) {
rc = dup(fd);
ASSERT_NE(-1, rc);
children[i].fd = rc;
children[i].depth = 1 + s->depth;
ASSERT_SYS(0, 0, pthread_create(&children[i].thread, NULL, pthread_main,
children + i));
}
}
if (s->depth & 1) {
SEEKS();
READS();
} else {
READS();
SEEKS();
}
ASSERT_SYS(0, 0, close(fd));
if (s->depth < 3) {
for (int i = 0; i < 2; ++i) {
ASSERT_SYS(0, 0, pthread_join(children[i].thread, NULL));
}
}
return NULL;
}
TEST(zipos, ultraPosixAtomicSeekRead) {
struct State s = { 0, 4 };
ASSERT_SYS(0, 3, open("/zip/libc/testlib/hyperion.txt", O_RDONLY));
ASSERT_SYS(0, 4, dup(3));
pthread_main((void *)&s);
EXPECT_EQ(960, lseek(3, 0, SEEK_CUR));
ASSERT_SYS(0, 0, close(3));
}