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authorBernhard Reutner-Fischer <rep.dot.nop@gmail.com>2008-09-24 16:31:29 +0000
committerBernhard Reutner-Fischer <rep.dot.nop@gmail.com>2008-09-24 16:31:29 +0000
commit9f2b28a508ac2789e2f778c7bb20a6759bbab8f1 (patch)
treec6fd30936e21061bc217dbd4dc7d01e116b0c896 /libc/sysdeps/linux
parent660cda8aadeba29f7958dd18e04ff8e0793d379c (diff)
- only compile them if the respective syscalls are available
Diffstat (limited to 'libc/sysdeps/linux')
-rw-r--r--libc/sysdeps/linux/common/sched_getaffinity.c11
-rw-r--r--libc/sysdeps/linux/common/sched_setaffinity.c15
2 files changed, 23 insertions, 3 deletions
diff --git a/libc/sysdeps/linux/common/sched_getaffinity.c b/libc/sysdeps/linux/common/sched_getaffinity.c
index 678571239..b3256c207 100644
--- a/libc/sysdeps/linux/common/sched_getaffinity.c
+++ b/libc/sysdeps/linux/common/sched_getaffinity.c
@@ -26,8 +26,7 @@
#include <string.h>
#include <sys/param.h>
-/* Experimentally off - libc_hidden_proto(memset) */
-
+#if defined __NR_sched_getaffinity
#define __NR___syscall_sched_getaffinity __NR_sched_getaffinity
static __inline__ _syscall3(int, __syscall_sched_getaffinity, __kernel_pid_t, pid,
size_t, cpusetsize, cpu_set_t *, cpuset);
@@ -45,5 +44,11 @@ int sched_getaffinity(pid_t pid, size_t cpusetsize, cpu_set_t *cpuset)
}
return res;
}
-
+#elif defined __UCLIBC_HAS_STUBS__
+int sched_getaffinity(pid_t pid, size_t cpusetsize, cpu_set_t *cpuset)
+{
+ __set_errno(ENOSYS);
+ return -1;
+}
+#endif
#endif
diff --git a/libc/sysdeps/linux/common/sched_setaffinity.c b/libc/sysdeps/linux/common/sched_setaffinity.c
index 7a854a819..004ec9dd0 100644
--- a/libc/sysdeps/linux/common/sched_setaffinity.c
+++ b/libc/sysdeps/linux/common/sched_setaffinity.c
@@ -30,6 +30,7 @@
#include <sys/param.h>
#include <alloca.h>
+#if defined __NR_sched_setaffinity
libc_hidden_proto(getpid)
#define __NR___syscall_sched_setaffinity __NR_sched_setaffinity
@@ -73,5 +74,19 @@ int sched_setaffinity(pid_t pid, size_t cpusetsize, const cpu_set_t *cpuset)
return INLINE_SYSCALL (sched_setaffinity, 3, pid, cpusetsize, cpuset);
}
+#else
+#define ___HAVE_NO_sched_setaffinity
#endif
+#else
+#define ___HAVE_NO_sched_setaffinity
#endif
+
+#if defined ___HAVE_NO_sched_setaffinity && defined __UCLIBC_HAS_STUBS__
+int sched_setaffinity(pid_t pid, size_t cpusetsize, cpu_set_t *cpuset)
+{
+ __set_errno(ENOSYS);
+ return -1;
+}
+#endif
+
+#endif /* __USE_GNU */