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authorRiku Voipio <riku.voipio@iki.fi>2009-08-12 15:08:24 +0300
committerRiku Voipio <riku.voipio@iki.fi>2009-08-25 17:15:26 +0300
commitc2882b96545eeabf16767c6effa836e6f9991018 (patch)
treeb49382d3bbe58cdb763328ec2b4b713d0a095020 /linux-user
parentARM back-end: Fix encode_imm (diff)
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linux-user: add eventfd support
Straightforward implementation. This syscall is rare enough that we don't need to support the odder cases, just disable it if host glibc is too old. Signed-off-by: Riku Voipio <riku.voipio@iki.fi>
Diffstat (limited to 'linux-user')
-rw-r--r--linux-user/syscall.c15
1 files changed, 15 insertions, 0 deletions
diff --git a/linux-user/syscall.c b/linux-user/syscall.c
index 673eed4ec..603fec265 100644
--- a/linux-user/syscall.c
+++ b/linux-user/syscall.c
@@ -60,6 +60,9 @@
#ifdef TARGET_GPROF
#include <sys/gmon.h>
#endif
+#ifdef CONFIG_EVENTFD
+#include <sys/eventfd.h>
+#endif
#define termios host_termios
#define winsize host_winsize
@@ -6974,6 +6977,18 @@ abi_long do_syscall(void *cpu_env, int num, abi_long arg1,
break;
#endif
#endif /* CONFIG_SPLICE */
+#ifdef CONFIG_EVENTFD
+#if defined(TARGET_NR_eventfd)
+ case TARGET_NR_eventfd:
+ ret = get_errno(eventfd(arg1, 0));
+ break;
+#endif
+#if defined(TARGET_NR_eventfd2)
+ case TARGET_NR_eventfd2:
+ ret = get_errno(eventfd(arg1, arg2));
+ break;
+#endif
+#endif /* CONFIG_EVENTFD */
default:
unimplemented:
gemu_log("qemu: Unsupported syscall: %d\n", num);