Add test for thread-safe errno to thread test program.
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@ -6,7 +6,7 @@
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* Portions Copyright (c) 1996-2003, PostgreSQL Global Development Group
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* Portions Copyright (c) 1994, Regents of the University of California
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*
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* $PostgreSQL: pgsql/src/tools/thread/thread_test.c,v 1.7 2004/02/11 21:44:06 momjian Exp $
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* $PostgreSQL: pgsql/src/tools/thread/thread_test.c,v 1.8 2004/03/27 23:02:44 momjian Exp $
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*
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* This program tests to see if your standard libc functions use
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* pthread_setspecific()/pthread_getspecific() to be thread-safe.
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@ -29,10 +29,15 @@
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#include <pwd.h>
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#include <string.h>
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#include <errno.h>
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#include <fcntl.h>
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#include <errno.h>
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void func_call_1(void);
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void func_call_2(void);
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int errno1_set = 0;
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int errno2_set = 0;
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char *strerror_p1;
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char *strerror_p2;
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@ -42,6 +47,9 @@ struct passwd *passwd_p2;
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struct hostent *hostent_p1;
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struct hostent *hostent_p2;
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pthread_mutex_t singlethread_lock1 = PTHREAD_MUTEX_INITIALIZER;
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pthread_mutex_t singlethread_lock2 = PTHREAD_MUTEX_INITIALIZER;
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int main(int argc, char *argv[])
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{
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pthread_t thread1,
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@ -84,7 +92,30 @@ defines to your template/$port file before compiling this program.\n\n"
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void func_call_1(void) {
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void *p;
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if (open("/tmp/thread_test.1", O_RDWR | O_CREAT, 0600) < 0)
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{
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fprintf(stderr, "Could not create file in /tmp, exiting\n");
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exit(1);
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}
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if (open("/tmp/thread_test.1", O_RDWR | O_CREAT | O_EXCL, 0600) >= 0)
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{
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fprintf(stderr, "Could not generate failure for create file in /tmp, exiting\n");
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exit(1);
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}
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/* wait for other thread to set errno */
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errno1_set = 1;
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while (errno2_set == 0)
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/* loop */;
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if (errno != EEXIST)
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{
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fprintf(stderr, "errno not thread-safe; exiting\n");
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unlink("/tmp/thread_test.1");
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exit(1);
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}
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unlink("/tmp/thread_test.1");
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strerror_p1 = strerror(EACCES);
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/*
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* If strerror() uses sys_errlist, the pointer might change for different
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@ -112,6 +143,23 @@ void func_call_1(void) {
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void func_call_2(void) {
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void *p;
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unlink("/tmp/thread_test.2");
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if (open("/tmp/thread_test.2", O_RDONLY, 0600) >= 0)
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{
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fprintf(stderr, "Read-only open succeeded without create, exiting\n");
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exit(1);
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}
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/* wait for other thread to set errno */
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errno2_set = 1;
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while (errno1_set == 0)
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/* loop */;
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if (errno != ENOENT)
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{
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fprintf(stderr, "errno not thread-safe; exiting\n");
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unlink("/tmp/thread_test.A");
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exit(1);
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}
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strerror_p2 = strerror(EINVAL);
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/*
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* If strerror() uses sys_errlist, the pointer might change for different
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