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Improve thread test program to show if non-*_r functions are even called.

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This commit is contained in:
Bruce Momjian 2004-04-21 20:51:54 +00:00
parent 37fa3b6c89
commit 53b5455387
1 changed files with 76 additions and 2 deletions
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78
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 1.16 2004/04/06 13:55:17 momjian Exp $ * $PostgreSQL: pgsql/src/tools/thread/thread_test.c,v 1.17 2004/04/21 20:51:54 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.
@ -32,6 +32,8 @@
#include <fcntl.h> #include <fcntl.h>
#include <errno.h> #include <errno.h>
#include "postgres.h"
void func_call_1(void); void func_call_1(void);
void func_call_2(void); void func_call_2(void);
@ -52,6 +54,11 @@ struct passwd *passwd_p2;
struct hostent *hostent_p1; struct hostent *hostent_p1;
struct hostent *hostent_p2; struct hostent *hostent_p2;
bool gethostbyname_threadsafe;
bool getpwuid_threadsafe;
bool strerror_threadsafe;
bool platform_is_threadsafe = true;
pthread_mutex_t init_mutex = PTHREAD_MUTEX_INITIALIZER; pthread_mutex_t init_mutex = PTHREAD_MUTEX_INITIALIZER;
int main(int argc, char *argv[]) int main(int argc, char *argv[])
@ -90,26 +97,93 @@ defines to your template/$port file before compiling this program.\n\n"
printf("Add this to your template/$port file:\n\n"); printf("Add this to your template/$port file:\n\n");
if (strerror_p1 != strerror_p2) if (strerror_p1 != strerror_p2)
{
printf("STRERROR_THREADSAFE=yes\n"); printf("STRERROR_THREADSAFE=yes\n");
strerror_threadsafe = true;
}
else else
{
printf("STRERROR_THREADSAFE=no\n"); printf("STRERROR_THREADSAFE=no\n");
strerror_threadsafe = false;
}
if (passwd_p1 != passwd_p2) if (passwd_p1 != passwd_p2)
{
printf("GETPWUID_THREADSAFE=yes\n"); printf("GETPWUID_THREADSAFE=yes\n");
getpwuid_threadsafe = true;
}
else else
{
printf("GETPWUID_THREADSAFE=no\n"); printf("GETPWUID_THREADSAFE=no\n");
getpwuid_threadsafe = false;
}
if (hostent_p1 != hostent_p2) if (hostent_p1 != hostent_p2)
{
printf("GETHOSTBYNAME_THREADSAFE=yes\n"); printf("GETHOSTBYNAME_THREADSAFE=yes\n");
gethostbyname_threadsafe = true;
}
else else
{
printf("GETHOSTBYNAME_THREADSAFE=no\n"); printf("GETHOSTBYNAME_THREADSAFE=no\n");
gethostbyname_threadsafe = false;
}
pthread_mutex_unlock(&init_mutex); /* let children exit */ pthread_mutex_unlock(&init_mutex); /* let children exit */
pthread_join(thread1, NULL); /* clean up children */ pthread_join(thread1, NULL); /* clean up children */
pthread_join(thread2, NULL); pthread_join(thread2, NULL);
return 0; printf("\n");
#ifdef HAVE_STRERROR_R
printf("Your system has sterror_r(), so it doesn't use strerror().\n");
#else
printf("Your system uses strerror().\n");
if (!strerror_threadsafe)
{
platform_is_threadsafe = false;
printf("That function is not thread-safe\n");
}
#endif
#ifdef HAVE_GETPWUID_R
printf("Your system has getpwuid_r(), so it doesn't use getpwuid().\n");
#else
printf("Your system uses getpwuid().\n");
if (!getpwuid_threadsafe)
{
platform_is_threadsafe = false;
printf("That function is not thread-safe\n");
}
#endif
#ifdef HAVE_GETADDRINFO
printf("Your system has getaddrinfo(), so it doesn't use gethostbyname()\n"
"or gethostbyname_r().\n");
#else
#ifdef HAVE_GETHOSTBYNAME_R
printf("Your system has gethostbyname_r(), so it doesn't use gethostbyname().\n");
#else
printf("Your system uses gethostbyname().\n");
if (!gethostbyname_threadsafe)
{
platform_is_threadsafe = false;
printf("That function is not thread-safe\n");
}
#endif
#endif
if (!platform_is_threadsafe)
{
printf("\n** YOUR PLATFORM IS NOT THREADSAFE **\n");
return 1;
}
else
{
printf("\nYOUR PLATFORM IS THREADSAFE\n");
return 0;
}
} }
void func_call_1(void) { void func_call_1(void) {