Commit-ID: 1ad826bad5bd0b6ccfb203f78c70302b764df0be
Gitweb: http://git.kernel.org/tip/1ad826bad5bd0b6ccfb203f78c70302b764df0be
Author: Arnaldo Carvalho de Melo <acme@xxxxxxxxxx>
AuthorDate: Fri, 12 Feb 2016 18:30:01 -0300
Committer: Arnaldo Carvalho de Melo <acme@xxxxxxxxxx>
CommitDate: Mon, 15 Feb 2016 17:33:26 -0300
perf tests: Fix build on older systems where 'signal' is reserved
fixing the following problems, for instance, on RHEL6.7:
CC /tmp/build/perf/tests/bp_signal.o
cc1: warnings being treated as errors
tests/bp_signal.c: In function ‘__event’:
tests/bp_signal.c:106: error: declaration of ‘signal’ shadows a global declaration
/usr/include/signal.h:101: error: shadowed declaration is here
tests/bp_signal.c: In function ‘bp_event’:
tests/bp_signal.c:144: error: declaration of ‘signal’ shadows a global declaration
/usr/include/signal.h:101: error: shadowed declaration is here
tests/bp_signal.c: In function ‘wp_event’:
tests/bp_signal.c:149: error: declaration of ‘signal’ shadows a global declaration
/usr/include/signal.h:101: error: shadowed declaration is here
mv: cannot stat `/tmp/build/perf/tests/.bp_signal.o.tmp': No such file or directory
make[3]: *** [/tmp/build/perf/tests/bp_signal.o] Error 1
make[2]: *** [tests] Error 2
make[1]: *** [/tmp/build/perf/perf-in.o] Error 2
make[1]: *** Waiting for unfinished jobs....
Reported-by: Vinson Lee <vlee@xxxxxxxxxxxxxxx>
Cc: Alexei Starovoitov <ast@xxxxxxxxxx>
Cc: Brendan Gregg <brendan.d.gregg@xxxxxxxxx>
Cc: Daniel Borkmann <daniel@xxxxxxxxxxxxx>
Cc: He Kuang <hekuang@xxxxxxxxxx>
Cc: Li Zefan <lizefan@xxxxxxxxxx>
Cc: Masami Hiramatsu <masami.hiramatsu.pt@xxxxxxxxxxx>
Cc: Namhyung Kim <namhyung@xxxxxxxxxx>
Cc: Peter Zijlstra <peterz@xxxxxxxxxxxxx>
Cc: Wang Nan <wangnan0@xxxxxxxxxx>
Cc: Will Deacon <will.deacon@xxxxxxx>
Cc: pi3orama@xxxxxxx
Fixes: 8fd34e1cce18 ("perf test: Improve bp_signal")
Link: http://lkml.kernel.org/n/tip-wlpx6tik1b0jirlkw64bv400@xxxxxxxxxxxxxx
Signed-off-by: Arnaldo Carvalho de Melo <acme@xxxxxxxxxx>
---
tools/perf/tests/bp_signal.c | 12 ++++++------
1 file changed, 6 insertions(+), 6 deletions(-)
diff --git a/tools/perf/tests/bp_signal.c b/tools/perf/tests/bp_signal.c
index 1d1bb48..e7664fe 100644
--- a/tools/perf/tests/bp_signal.c
+++ b/tools/perf/tests/bp_signal.c
@@ -103,7 +103,7 @@ static void sig_handler(int signum __maybe_unused,
}
}
-static int __event(bool is_x, void *addr, int signal)
+static int __event(bool is_x, void *addr, int sig)
{
struct perf_event_attr pe;
int fd;
@@ -133,7 +133,7 @@ static int __event(bool is_x, void *addr, int signal)
}
fcntl(fd, F_SETFL, O_RDWR|O_NONBLOCK|O_ASYNC);
- fcntl(fd, F_SETSIG, signal);
+ fcntl(fd, F_SETSIG, sig);
fcntl(fd, F_SETOWN, getpid());
ioctl(fd, PERF_EVENT_IOC_RESET, 0);
@@ -141,14 +141,14 @@ static int __event(bool is_x, void *addr, int signal)
return fd;
}
-static int bp_event(void *addr, int signal)
+static int bp_event(void *addr, int sig)
{
- return __event(true, addr, signal);
+ return __event(true, addr, sig);
}
-static int wp_event(void *addr, int signal)
+static int wp_event(void *addr, int sig)
{
- return __event(false, addr, signal);
+ return __event(false, addr, sig);
}
static long long bp_count(int fd)
--
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