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| author | Roland McGrath <roland@gnu.org> | 2005-04-27 08:01:41 +0000 |
|---|---|---|
| committer | Roland McGrath <roland@gnu.org> | 2005-04-27 08:01:41 +0000 |
| commit | 2f4f3bd4a9ad805383b278e5b975971ca15c7a77 (patch) | |
| tree | 86e86b058694d53779f2c2038b42b334bfce401d /sysdeps/unix/sysv/linux/clock_nanosleep.c | |
| parent | 0f888d8ec6e038895be5d0a562d90be5e930a88a (diff) | |
| download | glibc-2f4f3bd4a9ad805383b278e5b975971ca15c7a77.tar.gz glibc-2f4f3bd4a9ad805383b278e5b975971ca15c7a77.tar.xz glibc-2f4f3bd4a9ad805383b278e5b975971ca15c7a77.zip | |
2005-04-27 Roland McGrath <roland@redhat.com>
* sysdeps/unix/sysv/linux/kernel-posix-cpu-timers.h: New file. * sysdeps/unix/sysv/linux/clock_getcpuclockid.c: New file. * sysdeps/unix/sysv/linux/ia64/clock_getcpuclockid.c (HAS_CPUCLOCK): New macro. (clock_getcpuclockid): Function removed. #include the new linux file to define it instead. * sysdeps/unix/clock_gettime.c [HP_TIMING_AVAIL] (hp_timing_gettime): New function, broken out of ... (clock_gettime) [HP_TIMING_AVAIL]: ... here. Call it. (realtime_gettime): New function, broken out of ... (clock_gettime) [! HANDLED_REALTIME]: ... here. Call it. (clock_gettime) [SYSDEP_GETTIME_CPU]: Use new macro in default case. * sysdeps/unix/sysv/linux/clock_gettime.c (SYSCALL_GETTIME): New macro. (SYSDEP_GETTIME_CPUTIME): New macro. (SYSDEP_GETTIME): Use both. [! __ASSUME_POSIX_TIMERS] (maybe_syscall_gettime): New function, broken out of ... (SYSDEP_GETTIME): ... here. Use it. [__NR_clock_gettime] (HANDLED_CPUTIME): Define it. (SYSDEP_GETTIME_CPUTIME): New macro. Handle CPU timers by trying kernel support and falling back to hp-timing code. * sysdeps/posix/clock_getres.c [HP_TIMING_AVAIL] (hp_timing_getres): New function, broken out of ... (clock_getres) [HP_TIMING_AVAIL]: ... here. Call it. (realtime_getres): New function, broken out of ... (clock_getres) [! HANDLED_REALTIME]: ... here. Call it. (clock_getres) [SYSDEP_GETRES_CPU]: Use new macro in default case. * sysdeps/unix/sysv/linux/clock_getres.c (SYSCALL_GETRES): New macro. (SYSDEP_GETRES_CPUTIME): New macro. (SYSDEP_GETRES): Use both. [! __ASSUME_POSIX_TIMERS] (maybe_syscall_getres): New function, broken out of ... (SYSDEP_GETRES): ... here. Use it. [__NR_clock_getres] (HANDLED_CPUTIME): Define it. (SYSDEP_GETRES_CPUTIME): New macro. Handle CPU timers by trying kernel support and falling back to hp-timing code. * sysdeps/unix/sysv/linux/clock_nanosleep.c: Handle CLOCK_PROCESS_CPUTIME_ID and CLOCK_PROCESS_THREAD_ID specially, translating to the kernel clockid_t for our own process/thread clock.
Diffstat (limited to 'sysdeps/unix/sysv/linux/clock_nanosleep.c')
| -rw-r--r-- | sysdeps/unix/sysv/linux/clock_nanosleep.c | 21 |
1 files changed, 18 insertions, 3 deletions
diff --git a/sysdeps/unix/sysv/linux/clock_nanosleep.c b/sysdeps/unix/sysv/linux/clock_nanosleep.c index 2a3dd411a1..3fb14b48aa 100644 --- a/sysdeps/unix/sysv/linux/clock_nanosleep.c +++ b/sysdeps/unix/sysv/linux/clock_nanosleep.c @@ -1,4 +1,4 @@ -/* Copyright (C) 2003 Free Software Foundation, Inc. +/* Copyright (C) 2003, 2004, 2005 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 @@ -17,9 +17,11 @@ 02111-1307 USA. */ #include <time.h> +#include <errno.h> #include <sysdep-cancel.h> #include "kernel-features.h" +#include "kernel-posix-cpu-timers.h" #ifdef __ASSUME_POSIX_TIMERS @@ -32,6 +34,11 @@ clock_nanosleep (clockid_t clock_id, int flags, const struct timespec *req, INTERNAL_SYSCALL_DECL (err); int r; + if (clock_id == CLOCK_THREAD_CPUTIME_ID) + return EINVAL; + if (clock_id == CLOCK_PROCESS_CPUTIME_ID) + clock_id = MAKE_PROCESS_CPUCLOCK (0, CPUCLOCK_SCHED); + if (SINGLE_THREAD_P) r = INTERNAL_SYSCALL (clock_nanosleep, err, 4, clock_id, flags, req, rem); else @@ -58,12 +65,20 @@ extern int __libc_missing_posix_timers attribute_hidden; # define SYSDEP_NANOSLEEP \ if (!__libc_missing_posix_timers) \ { \ + clockid_t syscall_clockid; \ INTERNAL_SYSCALL_DECL (err); \ \ + if (clock_id == CLOCK_THREAD_CPUTIME_ID) \ + return EINVAL; \ + if (clock_id == CLOCK_PROCESS_CPUTIME_ID) \ + syscall_clockid = MAKE_PROCESS_CPUCLOCK (0, CPUCLOCK_SCHED); \ + else \ + syscall_clockid = clock_id; \ + \ int oldstate = LIBC_CANCEL_ASYNC (); \ \ - int r = INTERNAL_SYSCALL (clock_nanosleep, err, 4, clock_id, flags, \ - req, rem); \ + int r = INTERNAL_SYSCALL (clock_nanosleep, err, 4, \ + syscall_clockid, flags, req, rem); \ \ LIBC_CANCEL_RESET (oldstate); \ \ |