llvm-project/compiler-rt/test/tsan/setuid.c

33 lines
782 B
C

// RUN: %clang_tsan -O1 %s -o %t && %run %t 2>&1 | FileCheck %s
//
// setuid(0) hangs on powerpc64 big endian. When this is fixed remove
// the unsupported flag.
// https://llvm.org/bugs/show_bug.cgi?id=25799
//
// UNSUPPORTED: powerpc64-unknown-linux-gnu
#include "test.h"
#include <sys/types.h>
#include <unistd.h>
// Setuid call used to hang because the background tsan thread did not handle
// SIGSETXID signal. Note that we don't care whether setuid call succeeds
// or not.
static void *thread(void *arg) {
(void)arg;
sleep(1);
return 0;
}
int main() {
// Create another thread just for completeness of the picture.
pthread_t th;
pthread_create(&th, 0, thread, 0);
setuid(0);
pthread_join(th, 0);
fprintf(stderr, "DONE\n");
return 0;
}
// CHECK: DONE