diff options
| -rw-r--r-- | ChangeLog | 13 | ||||
| -rw-r--r-- | posix/Makefile | 1 | ||||
| -rw-r--r-- | sysdeps/unix/sysv/linux/pause.c (renamed from sysdeps/unix/sysv/linux/generic/pause.c) | 18 | ||||
| -rw-r--r-- | sysdeps/unix/sysv/linux/sparc/kernel-features.h | 4 | ||||
| -rw-r--r-- | sysdeps/unix/sysv/linux/sparc/sparc64/Makefile | 1 | ||||
| -rw-r--r-- | sysdeps/unix/sysv/linux/sparc/sparc64/pause.c | 9 | ||||
| -rw-r--r-- | sysdeps/unix/sysv/linux/syscalls.list | 1 |
7 files changed, 24 insertions, 23 deletions
@@ -1,3 +1,16 @@ +2017-05-18 Adhemerval Zanella <adhemerval.zanella@linaro.org> + + * sysdeps/unix/sysv/linux/generic/pause.c: Remove file. + * sysdeps/unix/sysv/linux/sparc/sparc64/pause.c: Likewise. + * sysdeps/unix/sysv/linux/sparc/kernel-features.h [__arch64__] + (__NR_pause): Undefine. + * sysdeps/unix/sysv/linux/pause.c: New file. + * sysdeps/unix/sysv/linux/syscalls.list: Remove pause from + auto-generation list. + * sysdeps/unix/sysv/linux/sparc/sparc64/Makefile (CFLAGS-pause.c): + Remove rule. + * posix/Makefile (CFLAGS-pause.c): Remove redundant rule. + 2017-05-18 H.J. Lu <hongjiu.lu@intel.com> * sysdeps/x86_64/multiarch/memcmp.S (__GI_memcmp): Correct diff --git a/posix/Makefile b/posix/Makefile index 0025d8a..a78ca3d 100644 --- a/posix/Makefile +++ b/posix/Makefile @@ -221,7 +221,6 @@ CFLAGS-spawnp.c = -fexceptions CFLAGS-spawnp.os = -fomit-frame-pointer CFLAGS-spawni.c = -fexceptions CFLAGS-spawni.os = -fomit-frame-pointer -CFLAGS-pause.c = -fexceptions CFLAGS-glob.c = $(uses-callbacks) -fexceptions CFLAGS-glob64.c = $(uses-callbacks) -fexceptions CFLAGS-getconf.c = -DGETCONF_DIR='"$(libexecdir)/getconf"' diff --git a/sysdeps/unix/sysv/linux/generic/pause.c b/sysdeps/unix/sysv/linux/pause.c index a8b3e33..4ccce9e 100644 --- a/sysdeps/unix/sysv/linux/generic/pause.c +++ b/sysdeps/unix/sysv/linux/pause.c @@ -1,6 +1,6 @@ -/* Copyright (C) 2011-2017 Free Software Foundation, Inc. +/* Linux pause syscall implementation. + Copyright (C) 2017 Free Software Foundation, Inc. This file is part of the GNU C Library. - Contributed by Chris Metcalf <cmetcalf@tilera.com>, 2011. The GNU C Library is free software; you can redistribute it and/or modify it under the terms of the GNU Lesser General Public @@ -26,14 +26,10 @@ int __libc_pause (void) { - sigset_t set; - - int rc = - SYSCALL_CANCEL (rt_sigprocmask, SIG_BLOCK, NULL, &set, _NSIG / 8); - if (rc == 0) - rc = SYSCALL_CANCEL (rt_sigsuspend, &set, _NSIG / 8); - - return rc; +#ifdef __NR_pause + return SYSCALL_CANCEL (pause); +#else + return SYSCALL_CANCEL (ppoll, NULL, 0, NULL, NULL); +#endif } - weak_alias (__libc_pause, pause) diff --git a/sysdeps/unix/sysv/linux/sparc/kernel-features.h b/sysdeps/unix/sysv/linux/sparc/kernel-features.h index 72065a0..3fafab3 100644 --- a/sysdeps/unix/sysv/linux/sparc/kernel-features.h +++ b/sysdeps/unix/sysv/linux/sparc/kernel-features.h @@ -32,6 +32,10 @@ # undef __ASSUME_ACCEPT_SYSCALL # undef __ASSUME_CONNECT_SYSCALL # undef __ASSUME_RECVFROM_SYSCALL +#else +/* sparc64 defines __NR_pause, however it is not supported (ENOSYS). + Undefine so pause.c can use a correct alternative. */ +# undef __NR_pause #endif /* sparc only supports ipc syscall. */ diff --git a/sysdeps/unix/sysv/linux/sparc/sparc64/Makefile b/sysdeps/unix/sysv/linux/sparc/sparc64/Makefile index 7ea433f..3a7f4aa 100644 --- a/sysdeps/unix/sysv/linux/sparc/sparc64/Makefile +++ b/sysdeps/unix/sysv/linux/sparc/sparc64/Makefile @@ -9,6 +9,5 @@ sysdep_routines += __start_context endif ifeq ($(subdir),nptl) -CFLAGS-pause.c += -fexceptions CFLAGS-sigsuspend.c += -fexceptions endif diff --git a/sysdeps/unix/sysv/linux/sparc/sparc64/pause.c b/sysdeps/unix/sysv/linux/sparc/sparc64/pause.c deleted file mode 100644 index e399e7c..0000000 --- a/sysdeps/unix/sysv/linux/sparc/sparc64/pause.c +++ /dev/null @@ -1,9 +0,0 @@ -#include <errno.h> -#include <signal.h> -#include <unistd.h> -#include <sysdep-cancel.h> - -#define __sigprocmask(how, set, oset) \ - INLINE_SYSCALL (rt_sigprocmask, 4, how, set, oset, _NSIG / 8) - -#include <sysdeps/posix/pause.c> diff --git a/sysdeps/unix/sysv/linux/syscalls.list b/sysdeps/unix/sysv/linux/syscalls.list index f4abf3e..eab30dd 100644 --- a/sysdeps/unix/sysv/linux/syscalls.list +++ b/sysdeps/unix/sysv/linux/syscalls.list @@ -44,7 +44,6 @@ munlock - munlock i:ai munlock munlockall - munlockall i: munlockall nanosleep - nanosleep Ci:pp __nanosleep nanosleep nfsservctl EXTRA nfsservctl i:ipp nfsservctl -pause - pause Ci: __libc_pause pause pipe - pipe i:f __pipe pipe pipe2 - pipe2 i:fi __pipe2 pipe2 pivot_root EXTRA pivot_root i:ss pivot_root |