From 869865269995d67e5c30f45393e83eeee5229647 Mon Sep 17 00:00:00 2001
From: "Eric S. Raymond" <esr@thyrsus.com>
Date: Sun, 22 Feb 1998 16:45:08 +0000
Subject: EMX changes for OS/2.

svn path=/trunk/; revision=1668
---
 NEWS        |  1 +
 daemon.c    |  5 ++++-
 driver.c    |  2 ++
 fetchmail.c | 22 +++++++++++++++++++++-
 fetchmail.h | 13 +++++++++++++
 rcfile_y.y  |  3 ++-
 6 files changed, 43 insertions(+), 3 deletions(-)

diff --git a/NEWS b/NEWS
index 459030ab..c6c9c3e0 100644
--- a/NEWS
+++ b/NEWS
@@ -27,6 +27,7 @@ fetchmail-4.3.8 ():
 * Added /-suffix capability to specify a port or service on smtphost args.
 * More fixes by Nicholas Pitre.
 * Fix for core-dump bug in the new UID-marking code by timw@aracnet.com.
+* EMX changes support running fetchmail under OS/2.
 
 There are 274 people on fetchmail-friends and 138 on fetchmail-announce.
 
diff --git a/daemon.c b/daemon.c
index 5c66ed5a..e7b9214b 100644
--- a/daemon.c
+++ b/daemon.c
@@ -127,8 +127,9 @@ daemonize (const char *logfile, void (*termhook)(int))
   }
 #elif	defined(SIGTSTP)		/* BSD */
   /* change process group */
+#ifndef __EMX__
   setpgrp(0, getpid());
-
+#endif
   /* lose controlling tty */
   if ((fd = open("/dev/tty", O_RDWR)) >= 0) {
     ioctl(fd, TIOCNOTTY, (char *) 0);
@@ -136,7 +137,9 @@ daemonize (const char *logfile, void (*termhook)(int))
   }
 #else					/* SVR3 and older */
   /* change process group */
+#ifndef __EMX__
   setpgrp();
+#endif
   
   /* lose controlling tty */
   signal(SIGHUP, SIG_IGN);
diff --git a/driver.c b/driver.c
index 8c0657c2..e6e44e6d 100644
--- a/driver.c
+++ b/driver.c
@@ -110,12 +110,14 @@ static phase;
 static void set_timeout(int timeleft)
 /* reset the nonresponse-timeout */
 {
+#ifndef __EMX__
     struct itimerval ntimeout;
 
     ntimeout.it_interval.tv_sec = ntimeout.it_interval.tv_usec = 0;
     ntimeout.it_value.tv_sec  = timeleft;
     ntimeout.it_value.tv_usec = 0;
     setitimer(ITIMER_REAL, &ntimeout, (struct itimerval *)NULL);
+#endif
 }
 
 static void timeout_handler (int signal)
diff --git a/fetchmail.c b/fetchmail.c
index 1d937873..af5e474b 100644
--- a/fetchmail.c
+++ b/fetchmail.c
@@ -84,6 +84,7 @@ static int lastsig;		/* last signal received */
 
 static void termhook();		/* forward declaration of exit hook */
 
+
 RETSIGTYPE donothing(sig) int sig; {signal(sig, donothing); lastsig = sig;}
 
 #ifdef HAVE_ON_EXIT
@@ -96,6 +97,19 @@ static void unlockit(void)
     unlink(lockfile);
 }
 
+#ifdef __EMX__
+/* Various EMX-specific definitions */
+int itimerflag;
+void itimerthread(void* dummy) {
+  if (outlevel == O_VERBOSE)
+    fprintf(stderr, "fetchmail: thread sleeping for %d sec.\n", poll_interval);
+  while(1) {
+    _sleep2(poll_interval*1000);
+    kill((getpid()), SIGALRM);
+  }
+}
+#endif
+
 int main (int argc, char **argv)
 {
     int st, bkgd = FALSE;
@@ -541,6 +555,7 @@ int main (int argc, char **argv)
 	     * has to have a BSDoid socket layer to work at all.
 	     */
 	    {
+#ifndef __EMX__
 		struct itimerval ntimeout;
 
 		ntimeout.it_interval.tv_sec = ntimeout.it_interval.tv_usec = 0;
@@ -551,6 +566,12 @@ int main (int argc, char **argv)
 		signal(SIGALRM, donothing);
 		pause();
 		signal(SIGALRM, SIG_IGN);
+#else /* EMX */
+		signal(SIGALRM, donothing);
+		_beginthread(itimerthread, NULL, 32768, NULL);
+		pause();
+		signal(SIGALRM, SIG_IGN);
+#endif /* ! EMX */
 		if (lastsig == SIGUSR1
 			|| ((poll_interval && !getuid()) && lastsig == SIGHUP))
 		{
@@ -771,7 +792,6 @@ static int load_params(int argc, char **argv, int optind)
     /* check and daemon options are not compatible */
     if (check_only && poll_interval)
 	poll_interval = 0;
-
     return(implicitmode);
 }
 
diff --git a/fetchmail.h b/fetchmail.h
index f3c3fbc9..22ab295f 100644
--- a/fetchmail.h
+++ b/fetchmail.h
@@ -358,6 +358,19 @@ char *showproto(int);
 void yyerror(const char *);
 int yylex(void);
 
+#ifdef __EMX__
+void itimerthread(void*);
+/* Have to include these first to avoid errors from redefining getcwd
+   and chdir.  They're re-include protected in EMX, so it's okay, I
+   guess.  */
+#include <stdlib.h>
+#include <unistd.h>
+/* Redefine getcwd and chdir to get drive-letter support so we can
+   find all of our lock files and stuff. */
+#define getcwd _getcwd2
+#define chdir _chdir2
+#endif
+
 #define STRING_DISABLED	(char *)-1
 
 /* fetchmail.h ends here */
diff --git a/rcfile_y.y b/rcfile_y.y
index b704c2ce..4ea4f866 100644
--- a/rcfile_y.y
+++ b/rcfile_y.y
@@ -306,6 +306,7 @@ int prc_filecheck(pathname)
 /* check that a configuration file is secure */
 const char *pathname;		/* pathname for the configuration file */
 {
+#ifndef __EMX__
     struct stat statbuf;
 
     errno = 0;
@@ -342,7 +343,7 @@ const char *pathname;		/* pathname for the configuration file */
 	fprintf(stderr, "File %s must be owned by you.\n", pathname);
 	return(PS_AUTHFAIL);
     }
-
+#endif
     return(0);
 }
 
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