diff options
Diffstat (limited to 'src/backend/postmaster/postmaster.c')
| -rw-r--r-- | src/backend/postmaster/postmaster.c | 69 |
1 files changed, 67 insertions, 2 deletions
diff --git a/src/backend/postmaster/postmaster.c b/src/backend/postmaster/postmaster.c index 6ce0fe629b..56fec21acb 100644 --- a/src/backend/postmaster/postmaster.c +++ b/src/backend/postmaster/postmaster.c @@ -37,7 +37,7 @@ * * * IDENTIFICATION - * $PostgreSQL: pgsql/src/backend/postmaster/postmaster.c,v 1.357 2004/01/09 23:27:20 momjian Exp $ + * $PostgreSQL: pgsql/src/backend/postmaster/postmaster.c,v 1.358 2004/01/11 03:49:31 momjian Exp $ * * NOTES * @@ -297,6 +297,10 @@ postmaster_error(const char *fmt,...) __attribute__((format(printf, 1, 2))); #ifdef EXEC_BACKEND +#ifdef WIN32 +pid_t win32_forkexec(const char* path, char *argv[]); +#endif + static pid_t Backend_forkexec(Port *port); static unsigned long tmpBackendFileNum = 0; @@ -923,7 +927,12 @@ pmdaemonize(int argc, char *argv[]) getitimer(ITIMER_PROF, &prof_itimer); #endif +#ifdef WIN32 + /* FIXME: [fork/exec] to be implemented? */ + abort(); +#else pid = fork(); +#endif if (pid == (pid_t) -1) { postmaster_error("could not fork background process: %s", @@ -2692,6 +2701,9 @@ Backend_forkexec(Port *port) av[ac++] = NULL; Assert(ac <= lengthof(av)); +#ifdef WIN32 + pid = win32_forkexec(pg_pathname,av); /* logs on error */ +#else /* Fire off execv in child */ if ((pid = fork()) == 0 && (execv(pg_pathname,av) == -1)) /* @@ -2699,7 +2711,7 @@ Backend_forkexec(Port *port) * Probably OK to issue error (unlike pgstat case) */ abort(); - +#endif return pid; /* Parent returns pid */ } @@ -3039,12 +3051,16 @@ SSDataBase(int xlop) #ifdef EXEC_BACKEND /* EXEC_BACKEND case; fork/exec here */ +#ifdef WIN32 + pid = win32_forkexec(pg_pathname,av); /* logs on error */ +#else if ((pid = fork()) == 0 && (execv(pg_pathname,av) == -1)) { /* in child */ elog(ERROR,"unable to execv in SSDataBase: %m"); exit(0); } +#endif #else BootstrapMain(ac, av); ExitPostmaster(0); @@ -3335,3 +3351,52 @@ read_backend_variables(unsigned long id, Port *port) } #endif + +#ifdef WIN32 + +pid_t win32_forkexec(const char* path, char *argv[]) +{ + STARTUPINFO si; + PROCESS_INFORMATION pi; + char *p; + int i; + char cmdLine[MAXPGPATH]; + + /* Format the cmd line */ + snprintf(cmdLine,sizeof(cmdLine),"%s",path); + i = 0; + while (argv[++i] != NULL) + { + /* FIXME: [fork/exec] some strlen checks might be prudent here */ + strcat(cmdLine," "); + strcat(cmdLine,argv[i]); + } + + /* + * The following snippet can disappear when we consistently + * use forward slashes. + */ + p = cmdLine; + while (*(p++) != '\0') + if (*p == '/') *p = '\\'; + + memset(&pi,0,sizeof(pi)); + memset(&si,0,sizeof(si)); + si.cb = sizeof(si); + if (!CreateProcess(NULL,cmdLine,NULL,NULL,TRUE,0,NULL,NULL,&si,&pi)) + { + elog(ERROR,"CreateProcess call failed (%d): %m",GetLastError()); + return -1; + } + + /* + FIXME: [fork/exec] we might need to keep the following handle/s, + depending on how we implement signalling. + */ + CloseHandle(pi.hProcess); + CloseHandle(pi.hThread); + + return pi.dwProcessId; +} + +#endif |
