Folks'es,
i'm using cygwin 1.5.9-1 on Windows NT 4SP6 and W2K, both of which run on top of VMware Workstation 4.5.1 (host system is W2K on a Dell Precision 340).
i have a problem with a database application server (a port from Unix using cygwin): if i shut down the application from a bash/ksh via CTRL+C the application receives the signal but, instead of performing its shutdown procedure, the process dissappears immediately, leaving my DB in an inconsitent state. if i do the same from a DOS cmd, the server process shuts down ok.
i see the same behaviour if i shutdown the process via a 'control panel', which sends the server process a SIGTERM, in 2 out of 3 cases the process stops immediately without performing its proper shutdown.
however, if i run the application incl cygwin on a native system, everything works just fine.
so my question is, what is the connection/difference between VMware and Cygwin signal handling?
thomas
i have written a little test program which demonstrates the behaviour. if i run it in a ksh and hit CRTL+C, the process receives the signal and terminates. if i run it in DOS cmd, the process receives the signal, does its count down and then terminates:
#include "stdafx.h" #include "signal.h" #include <windows.h> #include <stdio.h>
void goHome(int s)
{
printf("Received signal %d\n", s);
for (int i = 10; i > 0; i--) {
printf("Need %2d more seconds to terminate\r", i);
Sleep(1000L);
}
exit(0);
}int
main(int argc, char *argv[])
{
signal(SIGINT, goHome); printf("Hit Ctrl+C to terminate me\n");
while (1) {
Sleep(1000);
}return 0; }
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