Red Bear OS
1b3e94a20d
From release 0.1.0 pre-patched archive. This includes all Red Bear modifications previously maintained as patches in local/patches/relibc/.
66 lines
1.6 KiB
C
66 lines
1.6 KiB
C
#include <assert.h>
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#include <stdbool.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <pthread.h>
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// TODO: glibc requires arg to be not const, but not relibc
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#ifndef __GLIBC__
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const char *msg1 = "first";
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const char *msg2 = "second";
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const char *msg3 = "third";
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#else
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char *msg1 = "first";
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char *msg2 = "second";
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char *msg3 = "third";
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#endif
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void cleanup1(void *arg) {
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printf("Running %s cleanup callback\n", (const char *)arg);
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}
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void cleanup2(void *arg) {
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fprintf(stderr, "Running %s cleanup callback, to stderr\n", (const char *)arg);
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}
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void cleanup3(void *arg) {
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printf("Running final (%s) callback\n", (const char *)arg);
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}
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void *routine(void *arg) {
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assert(arg == NULL);
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puts("1");
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pthread_cleanup_push(cleanup1, msg1);
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puts("2");
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pthread_cleanup_push(cleanup2, msg2);
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puts("3");
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pthread_cleanup_push(cleanup3, msg3);
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puts("4");
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pthread_cleanup_pop(true);
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puts("5");
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//exit(EXIT_SUCCESS);
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pthread_exit(NULL);
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puts("6");
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pthread_cleanup_pop(true);
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pthread_cleanup_pop(true);
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return NULL;
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}
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int main(void) {
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int result;
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puts("Main thread started");
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pthread_t second_thread;
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if ((result = pthread_create(&second_thread, NULL, routine, NULL)) != 0) {
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fprintf(stderr, "thread creation failed: %s\n", strerror(result));
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return EXIT_FAILURE;
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}
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if ((result = pthread_join(second_thread, NULL)) != 0) {
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fprintf(stderr, "failed to join thread: %s\n", strerror(result));
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return EXIT_FAILURE;
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}
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puts("Main thread about to exit");
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return EXIT_SUCCESS;
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}
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