* nss/makedb.c (main): Compare result of load_db with
	NSS_STATUS_SUCCESS and not 0.
	Patch by Jan Rekorajski <baggins@sith.mimuw.edu.pl>.
This commit is contained in:
Ulrich Drepper 2000-07-18 22:09:09 +00:00
parent 695a076385
commit 247c88694b
4 changed files with 43 additions and 2 deletions

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@ -1,5 +1,9 @@
2000-07-18 Ulrich Drepper <drepper@redhat.com> 2000-07-18 Ulrich Drepper <drepper@redhat.com>
* nss/makedb.c (main): Compare result of load_db with
NSS_STATUS_SUCCESS and not 0.
Patch by Jan Rekorajski <baggins@sith.mimuw.edu.pl>.
* sysdeps/unix/sysv/linux/Versions: Export __sysctl for GLIBC_2.2. * sysdeps/unix/sysv/linux/Versions: Export __sysctl for GLIBC_2.2.
2000-07-18 Greg McGary <greg@mcgary.org> 2000-07-18 Greg McGary <greg@mcgary.org>

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@ -1,5 +1,8 @@
2000-07-18 Ulrich Drepper <drepper@redhat.com> 2000-07-18 Ulrich Drepper <drepper@redhat.com>
* pthread.c (pthread_initialize): Don't use syscond to determine
whether the machine has more than one processor.
* spinlock.c (__pthread_alt_timedlock): Add back one of the * spinlock.c (__pthread_alt_timedlock): Add back one of the
removed thread_self calls. removed thread_self calls.

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@ -23,6 +23,7 @@
#include <fcntl.h> #include <fcntl.h>
#include <sys/wait.h> #include <sys/wait.h>
#include <sys/resource.h> #include <sys/resource.h>
#include <sys/sysctl.h>
#include <shlib-compat.h> #include <shlib-compat.h>
#include "pthread.h" #include "pthread.h"
#include "internals.h" #include "internals.h"
@ -311,6 +312,39 @@ __libc_allocate_rtsig (int high)
#endif #endif
} }
/* The function we use to get the kernel revision. */
extern int __sysctl (int *name, int nlen, void *oldval, size_t *oldlenp,
void *newval, size_t newlen);
/* Test whether the machine has more than one processor. This is not the
best test but good enough. More complicated tests would require `malloc'
which is not available at that time. */
static int
is_smp_system (void)
{
static const int sysctl_args[] = { CTL_KERN, KERN_VERSION };
char buf[512];
size_t reslen = sizeof (buf);
/* Try reading the number using `sysctl' first. */
if (__sysctl ((int *) sysctl_args,
sizeof (sysctl_args) / sizeof (sysctl_args[0]),
buf, &reslen, NULL, 0) < 0)
{
/*This was not successful. Now try reading the /proc filesystem. */
int fd = __open ("/proc/sys/kernel/version", O_RDONLY);
if (fd == -1
|| (reslen = __read (fd, buf, sizeof (buf))) <= 0)
/* This also didn't work. We give up and say it's a UP machine. */
buf[0] = '\0';
__close (fd);
}
return strstr (buf, "SMP") != NULL;
}
/* Initialize the pthread library. /* Initialize the pthread library.
Initialization is split in two functions: Initialization is split in two functions:
- a constructor function that blocks the __pthread_sig_restart signal - a constructor function that blocks the __pthread_sig_restart signal
@ -410,7 +444,7 @@ static void pthread_initialize(void)
else else
__on_exit (pthread_exit_process, NULL); __on_exit (pthread_exit_process, NULL);
/* How many processors. */ /* How many processors. */
__pthread_smp_kernel = sysconf (_SC_NPROCESSORS_ONLN) > 1; __pthread_smp_kernel = is_smp_system ();
} }
void __pthread_initialize(void) void __pthread_initialize(void)

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@ -138,7 +138,7 @@ main (int argc, char *argv[])
/* First load the shared object to initialize version dependend /* First load the shared object to initialize version dependend
variables. */ variables. */
if (load_db ()) if (load_db () != NSS_STATUS_SUCCESS)
error (EXIT_FAILURE, 0, gettext ("No usable database library found.")); error (EXIT_FAILURE, 0, gettext ("No usable database library found."));
/* Special handling if we are asked to print the database. */ /* Special handling if we are asked to print the database. */