mingw: add kill emulation

This is a quite limited kill-emulation; it can only handle
SIGTERM on positive pids. However, it's enough for git-daemon.

Signed-off-by: Erik Faye-Lund <kusmabite@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

diff --git a/compat/mingw.c b/compat/mingw.c
index 47a0e8861dd5d55a77b3476119ee5504fc922126..146a6ed79c848cd5dab31b24ee3a4ff635de63a3 100644 (file)
--- a/compat/mingw.c
+++ b/compat/mingw.c
@@ -936,6 +936,25 @@ void mingw_execv(const char *cmd, char *const *argv)
        mingw_execve(cmd, argv, environ);
 }
 
+int mingw_kill(pid_t pid, int sig)
+{
+       if (pid > 0 && sig == SIGTERM) {
+               HANDLE h = OpenProcess(PROCESS_TERMINATE, FALSE, pid);
+
+               if (TerminateProcess(h, -1)) {
+                       CloseHandle(h);
+                       return 0;
+               }
+
+               errno = err_win_to_posix(GetLastError());
+               CloseHandle(h);
+               return -1;
+       }
+
+       errno = EINVAL;
+       return -1;
+}
+
 static char **copy_environ(void)
 {
        char **env;

diff --git a/compat/mingw.h b/compat/mingw.h
index 379d7bff2cf35ad0829dbf7a0a5cc27986d7578c..51fca2f84581c55a16b19d8b37b55aba204d9088 100644 (file)
--- a/compat/mingw.h
+++ b/compat/mingw.h
@@ -143,6 +143,9 @@ static inline int mingw_unlink(const char *pathname)
 #define WNOHANG 1
 pid_t waitpid(pid_t pid, int *status, unsigned options);
 
+#define kill mingw_kill
+int mingw_kill(pid_t pid, int sig);
+
 #ifndef NO_OPENSSL
 #include <openssl/ssl.h>
 static inline int mingw_SSL_set_fd(SSL *ssl, int fd)