summaryrefslogtreecommitdiff
path: root/src/linux/ptrace.c
diff options
context:
space:
mode:
authorRich Felker <dalias@aerifal.cx>2012-09-07 00:48:25 -0400
committerRich Felker <dalias@aerifal.cx>2012-09-07 00:48:25 -0400
commitb9bb8f67bbac9bab5314fb00974ad469476e936e (patch)
tree89fc3a733b4cd9a2346c5b77d8953b4f7aa9dd22 /src/linux/ptrace.c
parent780aede41913528781bbc8ff0d0e27505595f7c0 (diff)
downloadmusl-b9bb8f67bbac9bab5314fb00974ad469476e936e.tar.gz
cleanup src/linux and src/misc trees, etc.
previously, it was pretty much random which one of these trees a given function appeared in. they have now been organized into: src/linux: non-POSIX linux syscalls (possibly shard with other nixen) src/legacy: various obsolete/legacy functions, mostly wrappers src/misc: still mostly uncategorized; some misc POSIX, some nonstd src/crypt: crypt hash functions further cleanup will be done later.
Diffstat (limited to 'src/linux/ptrace.c')
-rw-r--r--src/linux/ptrace.c25
1 files changed, 25 insertions, 0 deletions
diff --git a/src/linux/ptrace.c b/src/linux/ptrace.c
new file mode 100644
index 00000000..83b8022b
--- /dev/null
+++ b/src/linux/ptrace.c
@@ -0,0 +1,25 @@
+#include <sys/ptrace.h>
+#include <stdarg.h>
+#include <unistd.h>
+#include "syscall.h"
+
+long ptrace(int req, ...)
+{
+ va_list ap;
+ pid_t pid;
+ void *addr, *data, *addr2;
+ long ret, result;
+
+ va_start(ap, req);
+ pid = va_arg(ap, pid_t);
+ addr = va_arg(ap, void *);
+ data = va_arg(ap, void *);
+ addr2 = va_arg(ap, void *);
+ va_end(ap);
+
+ if (req-1U < 3) data = &result;
+ ret = syscall(SYS_ptrace, req, pid, addr, data, addr2);
+
+ if (ret < 0 || req-1U >= 3) return ret;
+ return result;
+}