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58 lines
1.1 KiB
C
58 lines
1.1 KiB
C
#include <assert.h>
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#include <stdlib.h>
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#include <stdio.h>
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#include <string.h>
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#include <unistd.h>
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#include <inttypes.h>
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#include <pthread.h>
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#include <sys/wait.h>
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#include <sched.h>
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void checked_write(int fd, const void *buf, size_t count)
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{
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ssize_t rc = write(fd, buf, count);
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assert(rc == count);
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}
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void *thread1_func(void *arg)
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{
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int i;
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char buf[512];
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for(i=0;i<10;i++) {
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snprintf(buf, sizeof(buf), "thread1: %d %s\n", i, (char *)arg);
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checked_write(1, buf, strlen(buf));
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usleep(100 * 1000);
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}
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return NULL;
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}
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void *thread2_func(void *arg)
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{
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int i;
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char buf[512];
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for(i=0;i<20;i++) {
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snprintf(buf, sizeof(buf), "thread2: %d %s\n", i, (char *)arg);
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checked_write(1, buf, strlen(buf));
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usleep(150 * 1000);
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}
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return NULL;
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}
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void test_pthread(void)
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{
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pthread_t tid1, tid2;
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pthread_create(&tid1, NULL, thread1_func, "hello1");
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pthread_create(&tid2, NULL, thread2_func, "hello2");
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pthread_join(tid1, NULL);
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pthread_join(tid2, NULL);
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printf("End of pthread test.\n");
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}
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int main(int argc, char **argv)
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{
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test_pthread();
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return 0;
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}
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