win32: process.c: implement kill(), SIGTERM only

2 files changed, 18 insertions, 1 deletions

diff --git a/include/mingw.h b/include/mingw.h
index 53a0a0d67..a43e8eca2 100644
--- a/include/mingw.h
+++ b/include/mingw.h
@@ -285,7 +285,7 @@ IMPL(getuid,int,1,void);
 int fcntl(int fd, int cmd, ...);
 #define fork() -1
 IMPL(fsync,int,0,int fd UNUSED_PARAM);
-NOIMPL(kill,pid_t pid UNUSED_PARAM, int sig UNUSED_PARAM);
+int kill(pid_t pid, int sig);
 int link(const char *oldpath, const char *newpath);
 NOIMPL(mknod,const char *name UNUSED_PARAM, mode_t mode UNUSED_PARAM, dev_t device UNUSED_PARAM);
 int mingw_open (const char *filename, int oflags, ...);
diff --git a/win32/process.c b/win32/process.c
index 1b9b61878..cdd71182b 100644
--- a/win32/process.c
+++ b/win32/process.c
@@ -317,3 +317,20 @@ procps_status_t* FAST_FUNC procps_scan(procps_status_t* sp, int flags)
         strncpy(sp->comm, pe.szExeFile, COMM_LEN);
         return sp;
 }
+
+int kill(pid_t pid, int sig)
+{
+        HANDLE h;
+
+        if (sig != SIGTERM) {
+                bb_error_msg("kill only supports SIGTERM");
+                errno = ENOSYS;
+                return -1;
+        }
+        h = OpenProcess(PROCESS_TERMINATE, FALSE, pid);
+        if (h == NULL)
+                return -1;
+        if (TerminateProcess(h, 0) == 0)
+                return -1;
+        return 0;
+}