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authorDavide Libenzi <davidel@xmailserver.org>2008-02-05 09:27:26 +0300
committerLinus Torvalds <torvalds@woody.linux-foundation.org>2008-02-05 20:44:07 +0300
commit4d672e7ac79b5ec5cdc90e450823441e20464691 (patch)
tree66da3aa0bf7f7ac80376a93f17edbb2246b2df06 /arch/mips
parent5e05ad7d4e3b11f935998882b5d9c3b257137f1b (diff)
downloadlinux-4d672e7ac79b5ec5cdc90e450823441e20464691.tar.xz
timerfd: new timerfd API
This is the new timerfd API as it is implemented by the following patch: int timerfd_create(int clockid, int flags); int timerfd_settime(int ufd, int flags, const struct itimerspec *utmr, struct itimerspec *otmr); int timerfd_gettime(int ufd, struct itimerspec *otmr); The timerfd_create() API creates an un-programmed timerfd fd. The "clockid" parameter can be either CLOCK_MONOTONIC or CLOCK_REALTIME. The timerfd_settime() API give new settings by the timerfd fd, by optionally retrieving the previous expiration time (in case the "otmr" parameter is not NULL). The time value specified in "utmr" is absolute, if the TFD_TIMER_ABSTIME bit is set in the "flags" parameter. Otherwise it's a relative time. The timerfd_gettime() API returns the next expiration time of the timer, or {0, 0} if the timerfd has not been set yet. Like the previous timerfd API implementation, read(2) and poll(2) are supported (with the same interface). Here's a simple test program I used to exercise the new timerfd APIs: http://www.xmailserver.org/timerfd-test2.c [akpm@linux-foundation.org: coding-style cleanups] [akpm@linux-foundation.org: fix ia64 build] [akpm@linux-foundation.org: fix m68k build] [akpm@linux-foundation.org: fix mips build] [akpm@linux-foundation.org: fix alpha, arm, blackfin, cris, m68k, s390, sparc and sparc64 builds] [heiko.carstens@de.ibm.com: fix s390] [akpm@linux-foundation.org: fix powerpc build] [akpm@linux-foundation.org: fix sparc64 more] Signed-off-by: Davide Libenzi <davidel@xmailserver.org> Cc: Michael Kerrisk <mtk-manpages@gmx.net> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: Davide Libenzi <davidel@xmailserver.org> Cc: Michael Kerrisk <mtk-manpages@gmx.net> Cc: Martin Schwidefsky <schwidefsky@de.ibm.com> Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com> Cc: Michael Kerrisk <mtk.manpages@gmail.com> Cc: Davide Libenzi <davidel@xmailserver.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'arch/mips')
-rw-r--r--arch/mips/kernel/scall32-o32.S2
-rw-r--r--arch/mips/kernel/scall64-64.S2
-rw-r--r--arch/mips/kernel/scall64-n32.S2
-rw-r--r--arch/mips/kernel/scall64-o32.S2
4 files changed, 4 insertions, 4 deletions
diff --git a/arch/mips/kernel/scall32-o32.S b/arch/mips/kernel/scall32-o32.S
index 82480a1717d8..f798139e888e 100644
--- a/arch/mips/kernel/scall32-o32.S
+++ b/arch/mips/kernel/scall32-o32.S
@@ -660,7 +660,7 @@ einval: li v0, -EINVAL
sys sys_ioprio_get 2 /* 4315 */
sys sys_utimensat 4
sys sys_signalfd 3
- sys sys_timerfd 4
+ sys sys_ni_syscall 0
sys sys_eventfd 1
sys sys_fallocate 6 /* 4320 */
.endm
diff --git a/arch/mips/kernel/scall64-64.S b/arch/mips/kernel/scall64-64.S
index c2c10876da2e..a626be6baea3 100644
--- a/arch/mips/kernel/scall64-64.S
+++ b/arch/mips/kernel/scall64-64.S
@@ -475,7 +475,7 @@ sys_call_table:
PTR sys_ioprio_get
PTR sys_utimensat /* 5275 */
PTR sys_signalfd
- PTR sys_timerfd
+ PTR sys_ni_syscall
PTR sys_eventfd
PTR sys_fallocate
.size sys_call_table,.-sys_call_table
diff --git a/arch/mips/kernel/scall64-n32.S b/arch/mips/kernel/scall64-n32.S
index 01993ec3368b..9d5bcaf1b389 100644
--- a/arch/mips/kernel/scall64-n32.S
+++ b/arch/mips/kernel/scall64-n32.S
@@ -401,7 +401,7 @@ EXPORT(sysn32_call_table)
PTR sys_ioprio_get
PTR compat_sys_utimensat
PTR compat_sys_signalfd /* 5280 */
- PTR compat_sys_timerfd
+ PTR sys_ni_syscall
PTR sys_eventfd
PTR sys_fallocate
.size sysn32_call_table,.-sysn32_call_table
diff --git a/arch/mips/kernel/scall64-o32.S b/arch/mips/kernel/scall64-o32.S
index dd68afce7da5..fd2019c1ec2d 100644
--- a/arch/mips/kernel/scall64-o32.S
+++ b/arch/mips/kernel/scall64-o32.S
@@ -523,7 +523,7 @@ sys_call_table:
PTR sys_ioprio_get /* 4315 */
PTR compat_sys_utimensat
PTR compat_sys_signalfd
- PTR compat_sys_timerfd
+ PTR sys_ni_syscall
PTR sys_eventfd
PTR sys32_fallocate /* 4320 */
.size sys_call_table,.-sys_call_table