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-rw-r--r--src/linux/epoll.c16
-rw-r--r--src/linux/eventfd.c6
-rw-r--r--src/linux/inotify.c8
-rw-r--r--src/linux/signalfd.c2
-rw-r--r--src/linux/utimes.c5
5 files changed, 29 insertions, 8 deletions
diff --git a/src/linux/epoll.c b/src/linux/epoll.c
index 030786d3..b45344fb 100644
--- a/src/linux/epoll.c
+++ b/src/linux/epoll.c
@@ -4,12 +4,16 @@
int epoll_create(int size)
{
- return syscall(SYS_epoll_create, size);
+ return epoll_create1(0);
}
int epoll_create1(int flags)
{
- return syscall(SYS_epoll_create1, flags);
+ int r = __syscall(SYS_epoll_create1, flags);
+#ifdef SYS_epoll_create
+ if (r==-ENOSYS && !flags) r = __syscall(SYS_epoll_create, 1);
+#endif
+ return __syscall_ret(r);
}
int epoll_ctl(int fd, int op, int fd2, struct epoll_event *ev)
@@ -19,10 +23,14 @@ int epoll_ctl(int fd, int op, int fd2, struct epoll_event *ev)
int epoll_pwait(int fd, struct epoll_event *ev, int cnt, int to, const sigset_t *sigs)
{
- return syscall(SYS_epoll_pwait, fd, ev, cnt, to, sigs, _NSIG/8);
+ int r = __syscall(SYS_epoll_pwait, fd, ev, cnt, to, sigs, _NSIG/8);
+#ifdef SYS_epoll_wait
+ if (r==-ENOSYS && !sigs) r = __syscall(SYS_epoll_wait, fd, ev, cnt, to);
+#endif
+ return __syscall_ret(r);
}
int epoll_wait(int fd, struct epoll_event *ev, int cnt, int to)
{
- return syscall(SYS_epoll_wait, fd, ev, cnt, to);
+ return epoll_pwait(fd, ev, cnt, to, 0);
}
diff --git a/src/linux/eventfd.c b/src/linux/eventfd.c
index 53066487..39968034 100644
--- a/src/linux/eventfd.c
+++ b/src/linux/eventfd.c
@@ -4,7 +4,11 @@
int eventfd(unsigned int count, int flags)
{
- return syscall(flags ? SYS_eventfd2 : SYS_eventfd, count, flags);
+ int r = __syscall(SYS_eventfd2, count, flags);
+#ifdef SYS_eventfd
+ if (r==-ENOSYS && !flags) r = __syscall(SYS_eventfd, count);
+#endif
+ return __syscall_ret(r);
}
int eventfd_read(int fd, eventfd_t *value)
diff --git a/src/linux/inotify.c b/src/linux/inotify.c
index a417c891..84a56154 100644
--- a/src/linux/inotify.c
+++ b/src/linux/inotify.c
@@ -3,11 +3,15 @@
int inotify_init()
{
- return syscall(SYS_inotify_init);
+ return inotify_init1(0);
}
int inotify_init1(int flags)
{
- return syscall(SYS_inotify_init1, flags);
+ int r = __syscall(SYS_inotify_init1, flags);
+#ifdef SYS_inotify_init
+ if (r==-ENOSYS && !flags) r = __syscall(SYS_inotify_init);
+#endif
+ return __syscall_ret(r);
}
int inotify_add_watch(int fd, const char *pathname, uint32_t mask)
diff --git a/src/linux/signalfd.c b/src/linux/signalfd.c
index da6bcedb..4bf43326 100644
--- a/src/linux/signalfd.c
+++ b/src/linux/signalfd.c
@@ -7,6 +7,7 @@
int signalfd(int fd, const sigset_t *sigs, int flags)
{
int ret = __syscall(SYS_signalfd4, fd, sigs, _NSIG/8, flags);
+#ifdef SYS_signalfd
if (ret != -ENOSYS) return __syscall_ret(ret);
ret = __syscall(SYS_signalfd, fd, sigs, _NSIG/8);
if (ret >= 0) {
@@ -15,5 +16,6 @@ int signalfd(int fd, const sigset_t *sigs, int flags)
if (flags & SFD_NONBLOCK)
__syscall(SYS_fcntl, ret, F_SETFL, O_NONBLOCK);
}
+#endif
return __syscall_ret(ret);
}
diff --git a/src/linux/utimes.c b/src/linux/utimes.c
index 70c0695f..b814c88b 100644
--- a/src/linux/utimes.c
+++ b/src/linux/utimes.c
@@ -1,7 +1,10 @@
#include <sys/time.h>
+#include "fcntl.h"
#include "syscall.h"
+int __futimesat(int, const char *, const struct timeval [2]);
+
int utimes(const char *path, const struct timeval times[2])
{
- return syscall(SYS_utimes, path, times);
+ return __futimesat(AT_FDCWD, path, times);
}