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Diffstat (limited to 'src/port/kill.c')
-rw-r--r-- | src/port/kill.c | 59 |
1 files changed, 59 insertions, 0 deletions
diff --git a/src/port/kill.c b/src/port/kill.c new file mode 100644 index 00000000000..b13fea924f7 --- /dev/null +++ b/src/port/kill.c @@ -0,0 +1,59 @@ +/*------------------------------------------------------------------------- + * + * kill.c + * kill() + * + * Copyright (c) 1996-2003, PostgreSQL Global Development Group + * + * This is a replacement version of kill for Win32 which sends + * signals that the backend can recognize. + * + * IDENTIFICATION + * $PostgreSQL: pgsql/src/port/kill.c,v 1.1 2004/05/27 13:08:57 momjian Exp $ + * + *------------------------------------------------------------------------- + */ + +#include "postgres.h" + +#ifdef WIN32 +/* signal sending */ +int +pgkill(int pid, int sig) +{ + char pipename[128]; + BYTE sigData = sig; + BYTE sigRet = 0; + DWORD bytes; + + if (sig >= PG_SIGNAL_COUNT || sig <= 0) + { + errno = EINVAL; + return -1; + } + if (pid <= 0) + { + /* No support for process groups */ + errno = EINVAL; + return -1; + } + wsprintf(pipename, "\\\\.\\pipe\\pgsignal_%i", pid); + if (!CallNamedPipe(pipename, &sigData, 1, &sigRet, 1, &bytes, 1000)) + { + if (GetLastError() == ERROR_FILE_NOT_FOUND) + errno = ESRCH; + else if (GetLastError() == ERROR_ACCESS_DENIED) + errno = EPERM; + else + errno = EINVAL; + return -1; + } + if (bytes != 1 || sigRet != sig) + { + errno = ESRCH; + return -1; + } + + return 0; +} +#endif |