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Add test for thread-safe errno to thread test program.

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This commit is contained in:
Bruce Momjian
2004-03-27 23:02:44 +00:00
parent 4f0d027e7d
commit db9a957618
1 changed files with 50 additions and 2 deletions
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52
src/tools/thread/thread_test.c
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@ -6,7 +6,7 @@
* Portions Copyright (c) 1996-2003, PostgreSQL Global Development Group * Portions Copyright (c) 1996-2003, PostgreSQL Global Development Group
* Portions Copyright (c) 1994, Regents of the University of California * Portions Copyright (c) 1994, Regents of the University of California
* *
* $PostgreSQL: pgsql/src/tools/thread/thread_test.c,v 1.7 2004/02/11 21:44:06 momjian Exp $ * $PostgreSQL: pgsql/src/tools/thread/thread_test.c,v 1.8 2004/03/27 23:02:44 momjian Exp $
* *
* This program tests to see if your standard libc functions use * This program tests to see if your standard libc functions use
* pthread_setspecific()/pthread_getspecific() to be thread-safe. * pthread_setspecific()/pthread_getspecific() to be thread-safe.
@ -29,10 +29,15 @@
#include <pwd.h> #include <pwd.h>
#include <string.h> #include <string.h>
#include <errno.h> #include <errno.h>
#include <fcntl.h>
#include <errno.h>
void func_call_1(void); void func_call_1(void);
void func_call_2(void); void func_call_2(void);
int errno1_set = 0;
int errno2_set = 0;
char *strerror_p1; char *strerror_p1;
char *strerror_p2; char *strerror_p2;
@ -42,6 +47,9 @@ struct passwd *passwd_p2;
struct hostent *hostent_p1; struct hostent *hostent_p1;
struct hostent *hostent_p2; struct hostent *hostent_p2;
pthread_mutex_t singlethread_lock1 = PTHREAD_MUTEX_INITIALIZER;
pthread_mutex_t singlethread_lock2 = PTHREAD_MUTEX_INITIALIZER;
int main(int argc, char *argv[]) int main(int argc, char *argv[])
{ {
pthread_t thread1, pthread_t thread1,
@ -84,7 +92,30 @@ defines to your template/$port file before compiling this program.\n\n"
void func_call_1(void) { void func_call_1(void) {
void *p; void *p;
if (open("/tmp/thread_test.1", O_RDWR | O_CREAT, 0600) < 0)
{
fprintf(stderr, "Could not create file in /tmp, exiting\n");
exit(1);
}
if (open("/tmp/thread_test.1", O_RDWR | O_CREAT | O_EXCL, 0600) >= 0)
{
fprintf(stderr, "Could not generate failure for create file in /tmp, exiting\n");
exit(1);
}
/* wait for other thread to set errno */
errno1_set = 1;
while (errno2_set == 0)
/* loop */;
if (errno != EEXIST)
{
fprintf(stderr, "errno not thread-safe; exiting\n");
unlink("/tmp/thread_test.1");
exit(1);
}
unlink("/tmp/thread_test.1");
strerror_p1 = strerror(EACCES); strerror_p1 = strerror(EACCES);
/* /*
* If strerror() uses sys_errlist, the pointer might change for different * If strerror() uses sys_errlist, the pointer might change for different
@ -112,6 +143,23 @@ void func_call_1(void) {
void func_call_2(void) { void func_call_2(void) {
void *p; void *p;
unlink("/tmp/thread_test.2");
if (open("/tmp/thread_test.2", O_RDONLY, 0600) >= 0)
{
fprintf(stderr, "Read-only open succeeded without create, exiting\n");
exit(1);
}
/* wait for other thread to set errno */
errno2_set = 1;
while (errno1_set == 0)
/* loop */;
if (errno != ENOENT)
{
fprintf(stderr, "errno not thread-safe; exiting\n");
unlink("/tmp/thread_test.A");
exit(1);
}
strerror_p2 = strerror(EINVAL); strerror_p2 = strerror(EINVAL);
/* /*
* If strerror() uses sys_errlist, the pointer might change for different * If strerror() uses sys_errlist, the pointer might change for different