diff options
Diffstat (limited to 'nptl')
| -rw-r--r-- | nptl/ChangeLog | 39 | ||||
| -rw-r--r-- | nptl/pthread_cond_timedwait.c | 22 | ||||
| -rw-r--r-- | nptl/pthread_condattr_setclock.c | 30 | ||||
| -rw-r--r-- | nptl/sysdeps/unix/sysv/linux/i386/i486/pthread_cond_timedwait.S | 28 | ||||
| -rw-r--r-- | nptl/sysdeps/unix/sysv/linux/pthread_getcpuclockid.c | 22 | ||||
| -rw-r--r-- | nptl/sysdeps/unix/sysv/linux/sh/pthread_cond_timedwait.S | 22 | ||||
| -rw-r--r-- | nptl/sysdeps/unix/sysv/linux/timer_create.c | 340 | ||||
| -rw-r--r-- | nptl/sysdeps/unix/sysv/linux/timer_delete.c | 104 | ||||
| -rw-r--r-- | nptl/sysdeps/unix/sysv/linux/timer_getoverr.c | 56 | ||||
| -rw-r--r-- | nptl/sysdeps/unix/sysv/linux/timer_gettime.c | 56 | ||||
| -rw-r--r-- | nptl/sysdeps/unix/sysv/linux/timer_routines.c | 8 | ||||
| -rw-r--r-- | nptl/sysdeps/unix/sysv/linux/timer_settime.c | 60 | ||||
| -rw-r--r-- | nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S | 30 |
13 files changed, 249 insertions, 568 deletions
diff --git a/nptl/ChangeLog b/nptl/ChangeLog index 545b2c2152..6f5527242d 100644 --- a/nptl/ChangeLog +++ b/nptl/ChangeLog @@ -1,3 +1,42 @@ +2012-08-16 Joseph Myers <joseph@codesourcery.com> + + * pthread_cond_timedwait.c (__pthread_cond_timedwait) + [!__ASSUME_POSIX_TIMERS]: Remove conditional code. + * pthread_condattr_setclock.c (pthread_condattr_setclock) + [!__ASSUME_POSIX_TIMERS]: Likewise. + * sysdeps/unix/sysv/linux/i386/i486/pthread_cond_timedwait.S + (__pthread_cond_timedwait) [!__ASSUME_POSIX_TIMERS]: Likewise. + * sysdeps/unix/sysv/linux/pthread_getcpuclockid.c + [!__ASSUME_POSIX_TIMERS]: Likewise. + * sysdeps/unix/sysv/linux/sh/pthread_cond_timedwait.S + (__pthread_cond_timedwait) [!__ASSUME_POSIX_TIMERS]: Likewise. + * sysdeps/unix/sysv/linux/timer_create.c [__NR_timer_create]: Make + code unconditional. + [!__NR-timer_create]: Remove conditional code. + (timer_create) [!__ASSUME_POSIX_TIMERS]: Likewise. + * sysdeps/unix/sysv/linux/timer_delete.c [__NR_timer_delete]: Make + code unconditional. + [!__NR_timer_delete]: Remove conditional code. + (timer_delete) [!__ASSUME_POSIX_TIMERS]: Likewise. + * sysdeps/unix/sysv/linux/timer_getoverr.c + [__NR_timer_getoverrun]: Make code unconditional. + [!__NR_timer_getoverrun]: Remove conditional code. + (timer_getoverrun) [!__ASSUME_POSIX_TIMERS]: Likewise. + * sysdeps/unix/sysv/linux/timer_gettime.c [__NR_timer_gettime]: + Make code unconditional. + [!__NR_timer_gettime]: Remove conditional code. + (timer_gettime) [!__ASSUME_POSIX_TIMERS]: Likewise. + * sysdeps/unix/sysv/linux/timer_routines.c [__NR_timer_create]: + Make code unconditional. + [!__ASSUME_POSIX_TIMERS]: Remove conditional code. + * sysdeps/unix/sysv/linux/timer_settime.c [__NR_timer_settime]: + Make code unconditional. + [!__NR_timer_settime]: Remove conditional code. + (timer_settime) [!__ASSUME_POSIX_TIMERS]: Likewise. + * sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S + (__pthread_cond_timedwait) [!__ASSUME_POSIX_TIMERS]: Remove + conditional code. + 2012-08-15 Tom de Vries <vries@codesourcery.com> Maxim Kuvyrkov <maxim@codesourcery.com> diff --git a/nptl/pthread_cond_timedwait.c b/nptl/pthread_cond_timedwait.c index 9605cd74cc..51a34ba4f2 100644 --- a/nptl/pthread_cond_timedwait.c +++ b/nptl/pthread_cond_timedwait.c @@ -1,4 +1,4 @@ -/* Copyright (C) 2003,2004,2007,2010,2011 Free Software Foundation, Inc. +/* Copyright (C) 2003-2012 Free Software Foundation, Inc. This file is part of the GNU C Library. Contributed by Martin Schwidefsky <schwidefsky@de.ibm.com>, 2003. @@ -113,23 +113,9 @@ __pthread_cond_timedwait (cond, mutex, abstime) (cond->__data.__nwaiters & ((1 << COND_NWAITERS_SHIFT) - 1)), &rt); -# ifndef __ASSUME_POSIX_TIMERS - if (__builtin_expect (INTERNAL_SYSCALL_ERROR_P (ret, err), 0)) - { - struct timeval tv; - (void) gettimeofday (&tv, NULL); - - /* Convert the absolute timeout value to a relative timeout. */ - rt.tv_sec = abstime->tv_sec - tv.tv_sec; - rt.tv_nsec = abstime->tv_nsec - tv.tv_usec * 1000; - } - else -# endif - { - /* Convert the absolute timeout value to a relative timeout. */ - rt.tv_sec = abstime->tv_sec - rt.tv_sec; - rt.tv_nsec = abstime->tv_nsec - rt.tv_nsec; - } + /* Convert the absolute timeout value to a relative timeout. */ + rt.tv_sec = abstime->tv_sec - rt.tv_sec; + rt.tv_nsec = abstime->tv_nsec - rt.tv_nsec; #else /* Get the current time. So far we support only one clock. */ struct timeval tv; diff --git a/nptl/pthread_condattr_setclock.c b/nptl/pthread_condattr_setclock.c index a3030e227a..8b05dc84e9 100644 --- a/nptl/pthread_condattr_setclock.c +++ b/nptl/pthread_condattr_setclock.c @@ -1,4 +1,4 @@ -/* Copyright (C) 2003, 2004, 2007, 2008 Free Software Foundation, Inc. +/* Copyright (C) 2003-2012 Free Software Foundation, Inc. This file is part of the GNU C Library. Contributed by Ulrich Drepper <drepper@redhat.com>, 2003. @@ -30,32 +30,8 @@ pthread_condattr_setclock (attr, clock_id) pthread_condattr_t *attr; clockid_t clock_id; { - /* Only a few clocks are allowed. CLOCK_REALTIME is always allowed. - CLOCK_MONOTONIC only if the kernel has the necessary support. */ - if (clock_id == CLOCK_MONOTONIC) - { -#ifndef __ASSUME_POSIX_TIMERS -# ifdef __NR_clock_getres - /* Check whether the clock is available. */ - static int avail; - - if (avail == 0) - { - struct timespec ts; - - INTERNAL_SYSCALL_DECL (err); - int val; - val = INTERNAL_SYSCALL (clock_getres, err, 2, CLOCK_MONOTONIC, &ts); - avail = INTERNAL_SYSCALL_ERROR_P (val, err) ? -1 : 1; - } - - if (avail < 0) -# endif - /* Not available. */ - return EINVAL; -#endif - } - else if (clock_id != CLOCK_REALTIME) + /* Only a few clocks are allowed. */ + if (clock_id != CLOCK_MONOTONIC && clock_id != CLOCK_REALTIME) /* If more clocks are allowed some day the storing of the clock ID in the pthread_cond_t structure needs to be adjusted. */ return EINVAL; diff --git a/nptl/sysdeps/unix/sysv/linux/i386/i486/pthread_cond_timedwait.S b/nptl/sysdeps/unix/sysv/linux/i386/i486/pthread_cond_timedwait.S index 8170ab321b..5f1fd5ddc6 100644 --- a/nptl/sysdeps/unix/sysv/linux/i386/i486/pthread_cond_timedwait.S +++ b/nptl/sysdeps/unix/sysv/linux/i386/i486/pthread_cond_timedwait.S @@ -122,10 +122,6 @@ __pthread_cond_timedwait: leal 4(%esp), %ecx movl $__NR_clock_gettime, %eax ENTER_KERNEL -# ifndef __ASSUME_POSIX_TIMERS - cmpl $-ENOSYS, %eax - je 19f -# endif movl %edx, %ebx /* Compute relative timeout. */ @@ -482,30 +478,6 @@ __pthread_cond_timedwait: call __lll_unlock_wake jmp 11b -#if defined __NR_clock_gettime && !defined __ASSUME_POSIX_TIMERS - /* clock_gettime not available. */ -19: leal 4(%esp), %ebx - xorl %ecx, %ecx - movl $__NR_gettimeofday, %eax - ENTER_KERNEL - movl %edx, %ebx - - /* Compute relative timeout. */ - movl 8(%esp), %eax - movl $1000, %edx - mul %edx /* Milli seconds to nano seconds. */ - movl (%ebp), %ecx - movl 4(%ebp), %edx - subl 4(%esp), %ecx - subl %eax, %edx - jns 20f - addl $1000000000, %edx - subl $1, %ecx -20: testl %ecx, %ecx - movl $-ETIMEDOUT, %esi - js 6b - jmp 21b -#endif .size __pthread_cond_timedwait, .-__pthread_cond_timedwait versioned_symbol (libpthread, __pthread_cond_timedwait, pthread_cond_timedwait, GLIBC_2_3_2) diff --git a/nptl/sysdeps/unix/sysv/linux/pthread_getcpuclockid.c b/nptl/sysdeps/unix/sysv/linux/pthread_getcpuclockid.c index 909f4686c6..7d7287b4b8 100644 --- a/nptl/sysdeps/unix/sysv/linux/pthread_getcpuclockid.c +++ b/nptl/sysdeps/unix/sysv/linux/pthread_getcpuclockid.c @@ -1,5 +1,5 @@ /* pthread_getcpuclockid -- Get POSIX clockid_t for a pthread_t. Linux version - Copyright (C) 2000,2001,2002,2003,2004,2005 Free Software Foundation, Inc. + Copyright (C) 2000-2012 Free Software Foundation, Inc. This file is part of the GNU C Library. The GNU C Library is free software; you can redistribute it and/or @@ -27,9 +27,6 @@ #if !(__ASSUME_POSIX_CPU_TIMERS > 0) int __libc_missing_posix_cpu_timers attribute_hidden; #endif -#if !(__ASSUME_POSIX_TIMERS > 0) -int __libc_missing_posix_timers attribute_hidden; -#endif int pthread_getcpuclockid (threadid, clockid) @@ -51,10 +48,6 @@ pthread_getcpuclockid (threadid, clockid) const clockid_t tidclock = MAKE_THREAD_CPUCLOCK (pd->tid, CPUCLOCK_SCHED); # if !(__ASSUME_POSIX_CPU_TIMERS > 0) -# if !(__ASSUME_POSIX_TIMERS > 0) - if (__libc_missing_posix_timers && !__libc_missing_posix_cpu_timers) - __libc_missing_posix_cpu_timers = 1; -# endif if (!__libc_missing_posix_cpu_timers) { INTERNAL_SYSCALL_DECL (err); @@ -67,21 +60,12 @@ pthread_getcpuclockid (threadid, clockid) } # if !(__ASSUME_POSIX_CPU_TIMERS > 0) -# if !(__ASSUME_POSIX_TIMERS > 0) - if (INTERNAL_SYSCALL_ERRNO (r, err) == ENOSYS) + if (INTERNAL_SYSCALL_ERRNO (r, err) == EINVAL) { - /* The kernel doesn't support these calls at all. */ - __libc_missing_posix_timers = 1; + /* The kernel doesn't support these clocks at all. */ __libc_missing_posix_cpu_timers = 1; } else -# endif - if (INTERNAL_SYSCALL_ERRNO (r, err) == EINVAL) - { - /* The kernel doesn't support these clocks at all. */ - __libc_missing_posix_cpu_timers = 1; - } - else return INTERNAL_SYSCALL_ERRNO (r, err); } # endif diff --git a/nptl/sysdeps/unix/sysv/linux/sh/pthread_cond_timedwait.S b/nptl/sysdeps/unix/sysv/linux/sh/pthread_cond_timedwait.S index 0937d6c237..a0ccacc8e3 100644 --- a/nptl/sysdeps/unix/sysv/linux/sh/pthread_cond_timedwait.S +++ b/nptl/sysdeps/unix/sysv/linux/sh/pthread_cond_timedwait.S @@ -158,10 +158,6 @@ __pthread_cond_timedwait: mov.w .L__NR_clock_gettime, r3 trapa #0x12 SYSCALL_INST_PAD -# ifndef __ASSUME_POSIX_TIMERS - cmp/eq #-ENOSYS, r0 - bt 19f -# endif /* Compute relative timeout. */ mov.l @r13, r2 @@ -172,24 +168,6 @@ __pthread_cond_timedwait: .L__NR_clock_gettime: .word __NR_clock_gettime -# ifndef __ASSUME_POSIX_TIMERS -19: - mov r15, r4 - add #16, r4 - mov #0, r5 - mov #__NR_gettimeofday, r3 - trapa #0x12 - SYSCALL_INST_PAD - - /* Compute relative timeout. */ - mov.l @(20,r15), r0 - mov.w .L1k, r1 - dmulu.l r0, r1 /* Micro seconds to nano seconds. */ - mov.l @r13, r2 - mov.l @(4,r13), r3 - mov.l @(16,r15), r0 - sts macl, r1 -#endif 0: #else mov r15, r4 diff --git a/nptl/sysdeps/unix/sysv/linux/timer_create.c b/nptl/sysdeps/unix/sysv/linux/timer_create.c index 8d365eb9a4..c2865fb4f3 100644 --- a/nptl/sysdeps/unix/sysv/linux/timer_create.c +++ b/nptl/sysdeps/unix/sysv/linux/timer_create.c @@ -1,4 +1,4 @@ -/* Copyright (C) 2003,2004, 2007, 2009 Free Software Foundation, Inc. +/* Copyright (C) 2003-2012 Free Software Foundation, Inc. This file is part of the GNU C Library. Contributed by Ulrich Drepper <drepper@redhat.com>, 2003. @@ -30,21 +30,9 @@ #include "kernel-posix-cpu-timers.h" -#ifdef __NR_timer_create -# ifndef __ASSUME_POSIX_TIMERS -static int compat_timer_create (clockid_t clock_id, struct sigevent *evp, - timer_t *timerid); -# define timer_create static compat_timer_create -# include <nptl/sysdeps/pthread/timer_create.c> -# undef timer_create - -/* Nonzero if the system calls are not available. */ -int __no_posix_timers attribute_hidden; -# endif - -# ifdef timer_create_alias -# define timer_create timer_create_alias -# endif +#ifdef timer_create_alias +# define timer_create timer_create_alias +#endif int @@ -53,190 +41,140 @@ timer_create (clock_id, evp, timerid) struct sigevent *evp; timer_t *timerid; { -# undef timer_create -# ifndef __ASSUME_POSIX_TIMERS - if (__no_posix_timers >= 0) -# endif - { - clockid_t syscall_clockid = (clock_id == CLOCK_PROCESS_CPUTIME_ID - ? MAKE_PROCESS_CPUCLOCK (0, CPUCLOCK_SCHED) - : clock_id == CLOCK_THREAD_CPUTIME_ID - ? MAKE_THREAD_CPUCLOCK (0, CPUCLOCK_SCHED) - : clock_id); - - /* If the user wants notification via a thread we need to handle - this special. */ - if (evp == NULL - || __builtin_expect (evp->sigev_notify != SIGEV_THREAD, 1)) - { - struct sigevent local_evp; - - /* We avoid allocating too much memory by basically - using struct timer as a derived class with the - first two elements being in the superclass. We only - need these two elements here. */ - struct timer *newp = (struct timer *) malloc (offsetof (struct timer, - thrfunc)); - if (newp == NULL) - /* No more memory. */ +#undef timer_create + { + clockid_t syscall_clockid = (clock_id == CLOCK_PROCESS_CPUTIME_ID + ? MAKE_PROCESS_CPUCLOCK (0, CPUCLOCK_SCHED) + : clock_id == CLOCK_THREAD_CPUTIME_ID + ? MAKE_THREAD_CPUCLOCK (0, CPUCLOCK_SCHED) + : clock_id); + + /* If the user wants notification via a thread we need to handle + this special. */ + if (evp == NULL + || __builtin_expect (evp->sigev_notify != SIGEV_THREAD, 1)) + { + struct sigevent local_evp; + + /* We avoid allocating too much memory by basically + using struct timer as a derived class with the + first two elements being in the superclass. We only + need these two elements here. */ + struct timer *newp = (struct timer *) malloc (offsetof (struct timer, + thrfunc)); + if (newp == NULL) + /* No more memory. */ + return -1; + + if (evp == NULL) + { + /* The kernel has to pass up the timer ID which is a + userlevel object. Therefore we cannot leave it up to + the kernel to determine it. */ + local_evp.sigev_notify = SIGEV_SIGNAL; + local_evp.sigev_signo = SIGALRM; + local_evp.sigev_value.sival_ptr = newp; + + evp = &local_evp; + } + + kernel_timer_t ktimerid; + int retval = INLINE_SYSCALL (timer_create, 3, syscall_clockid, evp, + &ktimerid); + + if (retval != -1) + { + newp->sigev_notify = (evp != NULL + ? evp->sigev_notify : SIGEV_SIGNAL); + newp->ktimerid = ktimerid; + + *timerid = (timer_t) newp; + } + else + { + /* Cannot allocate the timer, fail. */ + free (newp); + retval = -1; + } + + return retval; + } + else + { + /* Create the helper thread. */ + pthread_once (&__helper_once, __start_helper_thread); + if (__helper_tid == 0) + { + /* No resources to start the helper thread. */ + __set_errno (EAGAIN); return -1; - - if (evp == NULL) - { - /* The kernel has to pass up the timer ID which is a - userlevel object. Therefore we cannot leave it up to - the kernel to determine it. */ - local_evp.sigev_notify = SIGEV_SIGNAL; - local_evp.sigev_signo = SIGALRM; - local_evp.sigev_value.sival_ptr = newp; - - evp = &local_evp; - } - - kernel_timer_t ktimerid; - int retval = INLINE_SYSCALL (timer_create, 3, syscall_clockid, evp, - &ktimerid); - -# ifndef __ASSUME_POSIX_TIMERS - if (retval != -1 || errno != ENOSYS) -# endif - { -# ifndef __ASSUME_POSIX_TIMERS - __no_posix_timers = 1; -# endif - - if (retval != -1) - { - newp->sigev_notify = (evp != NULL - ? evp->sigev_notify : SIGEV_SIGNAL); - newp->ktimerid = ktimerid; - - *timerid = (timer_t) newp; - } - else - { - /* Cannot allocate the timer, fail. */ - free (newp); - retval = -1; - } - - return retval; - } - - free (newp); - -# ifndef __ASSUME_POSIX_TIMERS - /* When we come here the syscall does not exist. Make sure we - do not try to use it again. */ - __no_posix_timers = -1; -# endif - } - else - { -# ifndef __ASSUME_POSIX_TIMERS - /* Make sure we have the necessary kernel support. */ - if (__no_posix_timers == 0) - { - INTERNAL_SYSCALL_DECL (err); - struct timespec ts; - int res; - res = INTERNAL_SYSCALL (clock_getres, err, 2, - CLOCK_REALTIME, &ts); - __no_posix_timers = (INTERNAL_SYSCALL_ERROR_P (res, err) - ? -1 : 1); - } - - if (__no_posix_timers > 0) -# endif - { - /* Create the helper thread. */ - pthread_once (&__helper_once, __start_helper_thread); - if (__helper_tid == 0) - { - /* No resources to start the helper thread. */ - __set_errno (EAGAIN); - return -1; - } - - struct timer *newp; - newp = (struct timer *) malloc (sizeof (struct timer)); - if (newp == NULL) - return -1; - - /* Copy the thread parameters the user provided. */ - newp->sival = evp->sigev_value; - newp->thrfunc = evp->sigev_notify_function; - newp->sigev_notify = SIGEV_THREAD; - - /* We cannot simply copy the thread attributes since the - implementation might keep internal information for - each instance. */ - (void) pthread_attr_init (&newp->attr); - if (evp->sigev_notify_attributes != NULL) - { - struct pthread_attr *nattr; - struct pthread_attr *oattr; - - nattr = (struct pthread_attr *) &newp->attr; - oattr = (struct pthread_attr *) evp->sigev_notify_attributes; - - nattr->schedparam = oattr->schedparam; - nattr->schedpolicy = oattr->schedpolicy; - nattr->flags = oattr->flags; - nattr->guardsize = oattr->guardsize; - nattr->stackaddr = oattr->stackaddr; - nattr->stacksize = oattr->stacksize; - } - - /* In any case set the detach flag. */ - (void) pthread_attr_setdetachstate (&newp->attr, - PTHREAD_CREATE_DETACHED); - - /* Create the event structure for the kernel timer. */ - struct sigevent sev = - { .sigev_value.sival_ptr = newp, - .sigev_signo = SIGTIMER, - .sigev_notify = SIGEV_SIGNAL | SIGEV_THREAD_ID, - ._sigev_un = { ._pad = { [0] = __helper_tid } } }; - - /* Create the timer. */ - INTERNAL_SYSCALL_DECL (err); - int res; - res = INTERNAL_SYSCALL (timer_create, err, 3, - syscall_clockid, &sev, &newp->ktimerid); - if (! INTERNAL_SYSCALL_ERROR_P (res, err)) - { - /* Add to the queue of active timers with thread - delivery. */ - pthread_mutex_lock (&__active_timer_sigev_thread_lock); - newp->next = __active_timer_sigev_thread; - __active_timer_sigev_thread = newp; - pthread_mutex_unlock (&__active_timer_sigev_thread_lock); - - *timerid = (timer_t) newp; - return 0; - } - - /* Free the resources. */ - free (newp); - - __set_errno (INTERNAL_SYSCALL_ERRNO (res, err)); - - return -1; - } - } - } - -# ifndef __ASSUME_POSIX_TIMERS - /* Compatibility code. */ - return compat_timer_create (clock_id, evp, timerid); -# endif + } + + struct timer *newp; + newp = (struct timer *) malloc (sizeof (struct timer)); + if (newp == NULL) + return -1; + + /* Copy the thread parameters the user provided. */ + newp->sival = evp->sigev_value; + newp->thrfunc = evp->sigev_notify_function; + newp->sigev_notify = SIGEV_THREAD; + + /* We cannot simply copy the thread attributes since the + implementation might keep internal information for + each instance. */ + (void) pthread_attr_init (&newp->attr); + if (evp->sigev_notify_attributes != NULL) + { + struct pthread_attr *nattr; + struct pthread_attr *oattr; + + nattr = (struct pthread_attr *) &newp->attr; + oattr = (struct pthread_attr *) evp->sigev_notify_attributes; + + nattr->schedparam = oattr->schedparam; + nattr->schedpolicy = oattr->schedpolicy; + nattr->flags = oattr->flags; + nattr->guardsize = oattr->guardsize; + nattr->stackaddr = oattr->stackaddr; + nattr->stacksize = oattr->stacksize; + } + + /* In any case set the detach flag. */ + (void) pthread_attr_setdetachstate (&newp->attr, + PTHREAD_CREATE_DETACHED); + + /* Create the event structure for the kernel timer. */ + struct sigevent sev = + { .sigev_value.sival_ptr = newp, + .sigev_signo = SIGTIMER, + .sigev_notify = SIGEV_SIGNAL | SIGEV_THREAD_ID, + ._sigev_un = { ._pad = { [0] = __helper_tid } } }; + + /* Create the timer. */ + INTERNAL_SYSCALL_DECL (err); + int res; + res = INTERNAL_SYSCALL (timer_create, err, 3, + syscall_clockid, &sev, &newp->ktimerid); + if (! INTERNAL_SYSCALL_ERROR_P (res, err)) + { + /* Add to the queue of active timers with thread + delivery. */ + pthread_mutex_lock (&__active_timer_sigev_thread_lock); + newp->next = __active_timer_sigev_thread; + __active_timer_sigev_thread = newp; + pthread_mutex_unlock (&__active_timer_sigev_thread_lock); + + *timerid = (timer_t) newp; + return 0; + } + + /* Free the resources. */ + free (newp); + + __set_errno (INTERNAL_SYSCALL_ERRNO (res, err)); + + return -1; + } + } } -#else -# ifdef timer_create_alias -# define timer_create timer_create_alias -# endif -/* The new system calls are not available. Use the userlevel - implementation. */ -# include <nptl/sysdeps/pthread/timer_create.c> -#endif diff --git a/nptl/sysdeps/unix/sysv/linux/timer_delete.c b/nptl/sysdeps/unix/sysv/linux/timer_delete.c index 98f68e9c2c..598be8343e 100644 --- a/nptl/sysdeps/unix/sysv/linux/timer_delete.c +++ b/nptl/sysdeps/unix/sysv/linux/timer_delete.c @@ -1,4 +1,4 @@ -/* Copyright (C) 2003, 2007 Free Software Foundation, Inc. +/* Copyright (C) 2003-2012 Free Software Foundation, Inc. This file is part of the GNU C Library. Contributed by Ulrich Drepper <drepper@redhat.com>, 2003. @@ -24,91 +24,51 @@ #include "kernel-posix-timers.h" -#ifdef __NR_timer_delete -# ifndef __ASSUME_POSIX_TIMERS -static int compat_timer_delete (timer_t timerid); -# define timer_delete static compat_timer_delete -# include <nptl/sysdeps/pthread/timer_delete.c> -# undef timer_delete -# endif - -# ifdef timer_delete_alias -# define timer_delete timer_delete_alias -# endif +#ifdef timer_delete_alias +# define timer_delete timer_delete_alias +#endif int timer_delete (timerid) timer_t timerid; { -# undef timer_delete -# ifndef __ASSUME_POSIX_TIMERS - if (__no_posix_timers >= 0) -# endif - { - struct timer *kt = (struct timer *) timerid; +#undef timer_delete + struct timer *kt = (struct timer *) timerid; - /* Delete the kernel timer object. */ - int res = INLINE_SYSCALL (timer_delete, 1, kt->ktimerid); + /* Delete the kernel timer object. */ + int res = INLINE_SYSCALL (timer_delete, 1, kt->ktimerid); - if (res == 0) + if (res == 0) + { + if (kt->sigev_notify == SIGEV_THREAD) { - if (kt->sigev_notify == SIGEV_THREAD) + /* Remove the timer from the list. */ + pthread_mutex_lock (&__active_timer_sigev_thread_lock); + if (__active_timer_sigev_thread == kt) + __active_timer_sigev_thread = kt->next; + else { - /* Remove the timer from the list. */ - pthread_mutex_lock (&__active_timer_sigev_thread_lock); - if (__active_timer_sigev_thread == kt) - __active_timer_sigev_thread = kt->next; - else - { - struct timer *prevp = __active_timer_sigev_thread; - while (prevp->next != NULL) - if (prevp->next == kt) - { - prevp->next = kt->next; - break; - } - else - prevp = prevp->next; - } - pthread_mutex_unlock (&__active_timer_sigev_thread_lock); + struct timer *prevp = __active_timer_sigev_thread; + while (prevp->next != NULL) + if (prevp->next == kt) + { + prevp->next = kt->next; + break; + } + else + prevp = prevp->next; } - -# ifndef __ASSUME_POSIX_TIMERS - /* We know the syscall support is available. */ - __no_posix_timers = 1; -# endif - - /* Free the memory. */ - (void) free (kt); - - return 0; + pthread_mutex_unlock (&__active_timer_sigev_thread_lock); } - /* The kernel timer is not known or something else bad happened. - Return the error. */ -# ifndef __ASSUME_POSIX_TIMERS - if (errno != ENOSYS) - { - __no_posix_timers = 1; -# endif - return -1; -# ifndef __ASSUME_POSIX_TIMERS - } + /* Free the memory. */ + (void) free (kt); - __no_posix_timers = -1; -# endif + return 0; } -# ifndef __ASSUME_POSIX_TIMERS - return compat_timer_delete (timerid); -# endif + /* The kernel timer is not known or something else bad happened. + Return the error. */ + return -1; } -#else -# ifdef timer_delete_alias -# define timer_delete timer_delete_alias -# endif -/* The new system calls are not available. Use the userlevel - implementation. */ -# include <nptl/sysdeps/pthread/timer_delete.c> -#endif diff --git a/nptl/sysdeps/unix/sysv/linux/timer_getoverr.c b/nptl/sysdeps/unix/sysv/linux/timer_getoverr.c index a873091225..6d48d4c14d 100644 --- a/nptl/sysdeps/unix/sysv/linux/timer_getoverr.c +++ b/nptl/sysdeps/unix/sysv/linux/timer_getoverr.c @@ -1,4 +1,4 @@ -/* Copyright (C) 2003 Free Software Foundation, Inc. +/* Copyright (C) 2003-2012 Free Software Foundation, Inc. This file is part of the GNU C Library. Contributed by Ulrich Drepper <drepper@redhat.com>, 2003. @@ -23,58 +23,20 @@ #include "kernel-posix-timers.h" -#ifdef __NR_timer_getoverrun -# ifndef __ASSUME_POSIX_TIMERS -static int compat_timer_getoverrun (timer_t timerid); -# define timer_getoverrun static compat_timer_getoverrun -# include <nptl/sysdeps/pthread/timer_getoverr.c> -# undef timer_getoverrun -# endif - -# ifdef timer_getoverrun_alias -# define timer_getoverrun timer_getoverrun_alias -# endif +#ifdef timer_getoverrun_alias +# define timer_getoverrun timer_getoverrun_alias +#endif int timer_getoverrun (timerid) timer_t timerid; { -# undef timer_getoverrun -# ifndef __ASSUME_POSIX_TIMERS - if (__no_posix_timers >= 0) -# endif - { - struct timer *kt = (struct timer *) timerid; - - /* Get the information from the kernel. */ - int res = INLINE_SYSCALL (timer_getoverrun, 1, kt->ktimerid); +#undef timer_getoverrun + struct timer *kt = (struct timer *) timerid; -# ifndef __ASSUME_POSIX_TIMERS - if (res != -1 || errno != ENOSYS) - { - /* We know the syscall support is available. */ - __no_posix_timers = 1; -# endif - return res; -# ifndef __ASSUME_POSIX_TIMERS - } -# endif + /* Get the information from the kernel. */ + int res = INLINE_SYSCALL (timer_getoverrun, 1, kt->ktimerid); -# ifndef __ASSUME_POSIX_TIMERS - __no_posix_timers = -1; -# endif - } - -# ifndef __ASSUME_POSIX_TIMERS - return compat_timer_getoverrun (timerid); -# endif + return res; } -#else -# ifdef timer_getoverrun_alias -# define timer_getoverrun timer_getoverrun_alias -# endif -/* The new system calls are not available. Use the userlevel - implementation. */ -# include <nptl/sysdeps/pthread/timer_getoverr.c> -#endif diff --git a/nptl/sysdeps/unix/sysv/linux/timer_gettime.c b/nptl/sysdeps/unix/sysv/linux/timer_gettime.c index 1efe2cc91a..6d9933a99c 100644 --- a/nptl/sysdeps/unix/sysv/linux/timer_gettime.c +++ b/nptl/sysdeps/unix/sysv/linux/timer_gettime.c @@ -1,4 +1,4 @@ -/* Copyright (C) 2003 Free Software Foundation, Inc. +/* Copyright (C) 2003-2012 Free Software Foundation, Inc. This file is part of the GNU C Library. Contributed by Ulrich Drepper <drepper@redhat.com>, 2003. @@ -24,17 +24,9 @@ #include "kernel-posix-timers.h" -#ifdef __NR_timer_gettime -# ifndef __ASSUME_POSIX_TIMERS -static int compat_timer_gettime (timer_t timerid, struct itimerspec *value); -# define timer_gettime static compat_timer_gettime -# include <nptl/sysdeps/pthread/timer_gettime.c> -# undef timer_gettime -# endif - -# ifdef timer_gettime_alias -# define timer_gettime timer_gettime_alias -# endif +#ifdef timer_gettime_alias +# define timer_gettime timer_gettime_alias +#endif int @@ -42,41 +34,11 @@ timer_gettime (timerid, value) timer_t timerid; struct itimerspec *value; { -# undef timer_gettime -# ifndef __ASSUME_POSIX_TIMERS - if (__no_posix_timers >= 0) -# endif - { - struct timer *kt = (struct timer *) timerid; - - /* Delete the kernel timer object. */ - int res = INLINE_SYSCALL (timer_gettime, 2, kt->ktimerid, value); +#undef timer_gettime + struct timer *kt = (struct timer *) timerid; -# ifndef __ASSUME_POSIX_TIMERS - if (res != -1 || errno != ENOSYS) - { - /* We know the syscall support is available. */ - __no_posix_timers = 1; -# endif - return res; -# ifndef __ASSUME_POSIX_TIMERS - } -# endif + /* Delete the kernel timer object. */ + int res = INLINE_SYSCALL (timer_gettime, 2, kt->ktimerid, value); -# ifndef __ASSUME_POSIX_TIMERS - __no_posix_timers = -1; -# endif - } - -# ifndef __ASSUME_POSIX_TIMERS - return compat_timer_gettime (timerid, value); -# endif + return res; } -#else -# ifdef timer_gettime_alias -# define timer_gettime timer_gettime_alias -# endif -/* The new system calls are not available. Use the userlevel - implementation. */ -# include <nptl/sysdeps/pthread/timer_gettime.c> -#endif diff --git a/nptl/sysdeps/unix/sysv/linux/timer_routines.c b/nptl/sysdeps/unix/sysv/linux/timer_routines.c index aea3c8f511..b7e36bb59a 100644 --- a/nptl/sysdeps/unix/sysv/linux/timer_routines.c +++ b/nptl/sysdeps/unix/sysv/linux/timer_routines.c @@ -1,4 +1,4 @@ -/* Copyright (C) 2003-2007, 2011 Free Software Foundation, Inc. +/* Copyright (C) 2003-2012 Free Software Foundation, Inc. This file is part of the GNU C Library. Contributed by Ulrich Drepper <drepper@redhat.com>, 2003. @@ -39,7 +39,6 @@ struct thread_start_data }; -#ifdef __NR_timer_create /* Helper thread to call the user-provided function. */ static void * timer_sigev_thread (void *arg) @@ -196,8 +195,3 @@ __start_helper_thread (void) be created. */ pthread_atfork (NULL, NULL, reset_helper_control); } -#endif - -#ifndef __ASSUME_POSIX_TIMERS -# include <nptl/sysdeps/pthread/timer_routines.c> -#endif diff --git a/nptl/sysdeps/unix/sysv/linux/timer_settime.c b/nptl/sysdeps/unix/sysv/linux/timer_settime.c index 14846967de..5b522ec750 100644 --- a/nptl/sysdeps/unix/sysv/linux/timer_settime.c +++ b/nptl/sysdeps/unix/sysv/linux/timer_settime.c @@ -1,4 +1,4 @@ -/* Copyright (C) 2003 Free Software Foundation, Inc. +/* Copyright (C) 2003-2012 Free Software Foundation, Inc. This file is part of the GNU C Library. Contributed by Ulrich Drepper <drepper@redhat.com>, 2003. @@ -24,19 +24,9 @@ #include "kernel-posix-timers.h" -#ifdef __NR_timer_settime -# ifndef __ASSUME_POSIX_TIMERS -static int compat_timer_settime (timer_t timerid, int flags, - const struct itimerspec *value, - struct itimerspec *ovalue); -# define timer_settime static compat_timer_settime -# include <nptl/sysdeps/pthread/timer_settime.c> -# undef timer_settime -# endif - -# ifdef timer_settime_alias -# define timer_settime timer_settime_alias -# endif +#ifdef timer_settime_alias +# define timer_settime timer_settime_alias +#endif int @@ -46,42 +36,12 @@ timer_settime (timerid, flags, value, ovalue) const struct itimerspec *value; struct itimerspec *ovalue; { -# undef timer_settime -# ifndef __ASSUME_POSIX_TIMERS - if (__no_posix_timers >= 0) -# endif - { - struct timer *kt = (struct timer *) timerid; - - /* Delete the kernel timer object. */ - int res = INLINE_SYSCALL (timer_settime, 4, kt->ktimerid, flags, - value, ovalue); +#undef timer_settime + struct timer *kt = (struct timer *) timerid; -# ifndef __ASSUME_POSIX_TIMERS - if (res != -1 || errno != ENOSYS) - { - /* We know the syscall support is available. */ - __no_posix_timers = 1; -# endif - return res; -# ifndef __ASSUME_POSIX_TIMERS - } -# endif + /* Delete the kernel timer object. */ + int res = INLINE_SYSCALL (timer_settime, 4, kt->ktimerid, flags, + value, ovalue); -# ifndef __ASSUME_POSIX_TIMERS - __no_posix_timers = -1; -# endif - } - -# ifndef __ASSUME_POSIX_TIMERS - return compat_timer_settime (timerid, flags, value, ovalue); -# endif + return res; } -#else -# ifdef timer_settime_alias -# define timer_settime timer_settime_alias -# endif -/* The new system calls are not available. Use the userlevel - implementation. */ -# include <nptl/sysdeps/pthread/timer_settime.c> -#endif diff --git a/nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S b/nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S index 50e1ffd551..a1c8ca87bf 100644 --- a/nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S +++ b/nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S @@ -457,10 +457,6 @@ __pthread_cond_timedwait: movl $__NR_clock_gettime, %eax syscall # endif -# ifndef __ASSUME_POSIX_TIMERS - cmpq $-ENOSYS, %rax - je 19f -# endif /* Compute relative timeout. */ movq (%r13), %rcx @@ -604,32 +600,6 @@ __pthread_cond_timedwait: subq $cond_lock, %rdi # endif jmp 6b - -# if defined __NR_clock_gettime && !defined __ASSUME_POSIX_TIMERS - /* clock_gettime not available. */ -19: leaq 32(%rsp), %rdi - xorl %esi, %esi - /* This call works because we directly jump to a system call entry - which preserves all the registers. */ - call JUMPTARGET(__gettimeofday) - - /* Compute relative timeout. */ - movq 40(%rsp), %rax - movl $1000, %edx - mul %rdx /* Milli seconds to nano seconds. */ - movq (%r13), %rcx - movq 8(%r13), %rdx - subq 32(%rsp), %rcx - subq %rax, %rdx - jns 20f - addq $1000000000, %rdx - decq %rcx -20: testq %rcx, %rcx - movq 8(%rsp), %rdi - movq $-ETIMEDOUT, %r14 - js 6b - jmp 21b -# endif #endif .size __pthread_cond_timedwait, .-__pthread_cond_timedwait versioned_symbol (libpthread, __pthread_cond_timedwait, pthread_cond_timedwait, |