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authorRoland McGrath <roland@gnu.org>2004-04-29 21:55:45 +0000
committerRoland McGrath <roland@gnu.org>2004-04-29 21:55:45 +0000
commit6f0b2e1f0fd3f2ce5a983c2e768619bb2739d8dd (patch)
tree89c8f1da730e421c3ceef3258f85d8144a3f1a1c /manual/resource.texi
parent420a2f8b8dfe796e5f38da1e233ee99be6ec028f (diff)
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[BZ #130, BZ #131]
2004-04-28 Carlos O'Donell <carlos@baldric.uwo.ca> * sysdeps/unix/sysv/linux/mq_getattr.c: Include <stddef.h>. * sysdeps/unix/sysv/linux/mq_notify.c: Likewise. * sysdeps/unix/sysv/linux/mq_open.c: Likewise. * sysdeps/unix/sysv/linux/mq_receive.c: Likewise. * sysdeps/unix/sysv/linux/mq_send.c: Likewise. * manual/resource.texi (sched_setaffinity, sched_getaffinity): Fix prototypes and description [BZ #131]. * string/bits/string2.h (strpbrk): Cast NULL to char * [BZ #130]. Patch by Ed Catmur <ed@catmur.co.uk>. * string/tst-inlcall.c (main): Add test for strpbrk.
Diffstat (limited to 'manual/resource.texi')
-rw-r--r--manual/resource.texi18
1 files changed, 9 insertions, 9 deletions
diff --git a/manual/resource.texi b/manual/resource.texi
index 0c394f2..df77408 100644
--- a/manual/resource.texi
+++ b/manual/resource.texi
@@ -1367,12 +1367,12 @@ affinity mask can be retrieved from the system.
@comment sched.h
@comment GNU
-@deftypefun int sched_getaffinity (pid_t @var{pid}, cpu_set_t *@var{cpuset})
+@deftypefun int sched_getaffinity (pid_t @var{pid}, size_t @var{cpusetsize}, cpu_set_t *@var{cpuset})
This functions stores the CPU affinity mask for the process or thread
-with the ID @var{pid} in the memory pointed to by @var{cpuset}. If
-successful, the function always initializes all bits in the
-@code{cpu_set_t} object and returns zero.
+with the ID @var{pid} in the @var{cpusetsize} bytes long bitmap
+pointed to by @var{cpuset}. If successful, the function always
+initializes all bits in the @code{cpu_set_t} object and returns zero.
If @var{pid} does not correspond to a process or thread on the system
the or the function fails for some other reason, it returns @code{-1}
@@ -1395,12 +1395,12 @@ interface must be provided for that.
@comment sched.h
@comment GNU
-@deftypefun int sched_setaffinity (pid_t @var{pid}, const cpu_set_t *@var{cpuset})
+@deftypefun int sched_setaffinity (pid_t @var{pid}, size_t @var{cpusetsize}, const cpu_set_t *@var{cpuset})
-This function installs the affinity mask pointed to by @var{cpuset}
-for the process or thread with the ID @var{pid}. If successful the
-function returns zero and the scheduler will in future take the
-affinity information into account.
+This function installs the @var{cpusetsize} bytes long affinity mask
+pointed to by @var{cpuset} for the process or thread with the ID @var{pid}.
+If successful the function returns zero and the scheduler will in future
+take the affinity information into account.
If the function fails it will return @code{-1} and @code{errno} is set
to the error code: