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SITL: avoid parent pid code on cygwin 

this causes problems on windows
This commit is contained in:
Andrew Tridgell 2012-03-05 21:04:26 +11:00
parent e1ff9a641b
commit b273df0725
1 changed files with 6 additions and 0 deletions
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6
libraries/Desktop/support/sitl.cpp
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@ -55,7 +55,9 @@ struct sitl_fdm {
static int sitl_fd;
struct sockaddr_in rcout_addr;
#ifndef __CYGWIN__
static pid_t parent_pid;
#endif
struct ADC_UDR2 UDR2;
struct RC_ICR4 ICR4;
extern AP_TimerProcess timer_scheduler;
@ -221,10 +223,12 @@ static void timer_handler(int signum)
cli();
#ifndef __CYGWIN__
/* make sure we die if our parent dies */
if (kill(parent_pid, 0) != 0) {
exit(1);
}
#endif
/* check for packet from flight sim */
sitl_fdm_input();
@ -292,7 +296,9 @@ static void setup_timer(void)
*/
void sitl_setup(void)
{
#ifndef __CYGWIN__
parent_pid = getppid();
#endif
rcout_addr.sin_family = AF_INET;
rcout_addr.sin_port = htons(RCOUT_PORT);