bart | 070d1a2 | 2009-01-16 12:07:52 +0000 | [diff] [blame] | 1 | #include "../../config.h" |
sewardj | c68cbe3 | 2007-11-27 01:59:38 +0000 | [diff] [blame] | 2 | #include <assert.h> |
| 3 | #include <errno.h> |
| 4 | #include <pthread.h> |
| 5 | #include <signal.h> |
| 6 | #include <stdio.h> |
| 7 | #include <stdlib.h> |
| 8 | #include <string.h> |
| 9 | #include <time.h> |
| 10 | #include <unistd.h> |
bart | 070d1a2 | 2009-01-16 12:07:52 +0000 | [diff] [blame] | 11 | #ifdef HAVE_ASM_UNISTD_H |
| 12 | #include <asm/unistd.h> // __NR_gettid |
| 13 | #endif |
bart | 3c1e9d8 | 2008-06-30 17:10:29 +0000 | [diff] [blame] | 14 | #include "../drd.h" |
| 15 | |
sewardj | c68cbe3 | 2007-11-27 01:59:38 +0000 | [diff] [blame] | 16 | |
sewardj | c68cbe3 | 2007-11-27 01:59:38 +0000 | [diff] [blame] | 17 | static int s_debug = 0; |
| 18 | |
| 19 | |
| 20 | static int getktid() |
| 21 | { |
sewardj | 82ae77d | 2007-11-27 23:39:13 +0000 | [diff] [blame] | 22 | #ifdef __NR_gettid |
sewardj | c68cbe3 | 2007-11-27 01:59:38 +0000 | [diff] [blame] | 23 | return syscall(__NR_gettid); |
sewardj | 82ae77d | 2007-11-27 23:39:13 +0000 | [diff] [blame] | 24 | #else |
| 25 | return -1; |
| 26 | #endif |
sewardj | c68cbe3 | 2007-11-27 01:59:38 +0000 | [diff] [blame] | 27 | } |
| 28 | |
sewardj | 82ae77d | 2007-11-27 23:39:13 +0000 | [diff] [blame] | 29 | static void print_thread_id(const char* const label) |
sewardj | c68cbe3 | 2007-11-27 01:59:38 +0000 | [diff] [blame] | 30 | { |
| 31 | if (s_debug) |
| 32 | { |
| 33 | char msg[256]; |
sewardj | 82ae77d | 2007-11-27 23:39:13 +0000 | [diff] [blame] | 34 | snprintf(msg, sizeof(msg), |
| 35 | "%spid %d / kernel thread ID %d / Valgrind thread ID %d\n", |
bart | d45d995 | 2009-05-31 18:53:54 +0000 | [diff] [blame] | 36 | label, getpid(), getktid(), DRD_GET_VALGRIND_THREADID); |
sewardj | c68cbe3 | 2007-11-27 01:59:38 +0000 | [diff] [blame] | 37 | write(STDOUT_FILENO, msg, strlen(msg)); |
| 38 | } |
| 39 | } |
| 40 | |
sewardj | 82ae77d | 2007-11-27 23:39:13 +0000 | [diff] [blame] | 41 | static void SignalHandler(const int iSignal) |
| 42 | { |
| 43 | print_thread_id("Signal was delivered to "); |
| 44 | } |
| 45 | |
sewardj | c68cbe3 | 2007-11-27 01:59:38 +0000 | [diff] [blame] | 46 | void* thread_func(void* thread_arg) |
| 47 | { |
sewardj | 82ae77d | 2007-11-27 23:39:13 +0000 | [diff] [blame] | 48 | print_thread_id("thread: "); |
sewardj | c68cbe3 | 2007-11-27 01:59:38 +0000 | [diff] [blame] | 49 | |
sewardj | 82ae77d | 2007-11-27 23:39:13 +0000 | [diff] [blame] | 50 | sleep(10); |
sewardj | c68cbe3 | 2007-11-27 01:59:38 +0000 | [diff] [blame] | 51 | //assert(result < 0 && errno == EINTR); |
| 52 | |
| 53 | return 0; |
| 54 | } |
| 55 | |
| 56 | int main(int argc, char** argv) |
| 57 | { |
sewardj | c68cbe3 | 2007-11-27 01:59:38 +0000 | [diff] [blame] | 58 | pthread_t threadid; |
| 59 | struct timespec tsDelay; |
| 60 | |
| 61 | // Primitive argument parsing. |
| 62 | if (argc > 1) |
| 63 | s_debug = 1; |
| 64 | |
sewardj | 82ae77d | 2007-11-27 23:39:13 +0000 | [diff] [blame] | 65 | print_thread_id("main: "); |
sewardj | c68cbe3 | 2007-11-27 01:59:38 +0000 | [diff] [blame] | 66 | |
| 67 | { |
| 68 | struct sigaction sa; |
| 69 | memset(&sa, 0, sizeof(sa)); |
| 70 | sa.sa_handler = &SignalHandler; |
| 71 | sigemptyset(&sa.sa_mask); |
| 72 | sigaction(SIGALRM, &sa, 0); |
| 73 | } |
| 74 | |
bart | 12c4b34 | 2012-02-02 10:35:18 +0000 | [diff] [blame] | 75 | if (pthread_create(&threadid, 0, thread_func, 0) != 0) { |
| 76 | fprintf(stderr, "Thread creation failed\n"); |
| 77 | return 1; |
| 78 | } |
sewardj | c68cbe3 | 2007-11-27 01:59:38 +0000 | [diff] [blame] | 79 | // Wait until the thread is inside clock_nanosleep(). |
| 80 | tsDelay.tv_sec = 0; |
| 81 | tsDelay.tv_nsec = 20 * 1000 * 1000; |
sewardj | 82ae77d | 2007-11-27 23:39:13 +0000 | [diff] [blame] | 82 | nanosleep(&tsDelay, 0); |
sewardj | c68cbe3 | 2007-11-27 01:59:38 +0000 | [diff] [blame] | 83 | // And send SIGALRM to the thread. |
| 84 | pthread_kill(threadid, SIGALRM); |
| 85 | pthread_join(threadid, 0); |
| 86 | |
| 87 | return 0; |
| 88 | } |