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Make 'start' command call setpgrp() when detaching

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This commit is contained in:
Andrew Bettison 2012-05-10 12:46:40 +09:30
parent 8d2792ce74
commit 0fa40973ec
1 changed files with 5 additions and 1 deletions
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6
commandline.c
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@ -585,7 +585,10 @@ int app_server_start(int argc, const char *const *argv, struct command_line_opti
switch (fork()) { switch (fork()) {
case -1: case -1:
exit(WHY_perror("fork")); exit(WHY_perror("fork"));
case 0: { // Grandchild process case 0: {
/* Grandchild process. Disconnect from current directory, disconnect standard i/o
streams, and start a new process group so that if we are being started by an adb
shell session, then we don't receive a SIGHUP when the adb shell process ends. */
chdir("/"); chdir("/");
close(0); close(0);
open("/dev/null", O_RDONLY); open("/dev/null", O_RDONLY);
@ -593,6 +596,7 @@ int app_server_start(int argc, const char *const *argv, struct command_line_opti
open("/dev/null", O_WRONLY); open("/dev/null", O_WRONLY);
close(2); close(2);
open("/dev/null", O_WRONLY); open("/dev/null", O_WRONLY);
setpgrp();
/* The execpath option is provided so that a JNI call to "start" can be made which /* The execpath option is provided so that a JNI call to "start" can be made which
creates a new server daemon process with the correct argv[0]. Otherwise, the servald creates a new server daemon process with the correct argv[0]. Otherwise, the servald
process appears as a process with argv[0] = "org.servalproject". */ process appears as a process with argv[0] = "org.servalproject". */