src/usr.bin/mail/popen.c - diff - 1.9

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Diff for /src/usr.bin/mail/popen.c between version 1.8 and 1.9

version 1.8, 1997/07/14 00:24:29

version 1.9, 1997/07/14 15:56:24

Line 274

Line 274

int infd, outfd;

int infd, outfd;

{

{

int i;

int i;

sigset_t fset;

sigset_t eset;

/*

/*

* All file descriptors other than 0, 1, and 2 are supposed to be

* All file descriptors other than 0, 1, and 2 are supposed to be

Line 293

Line 293

}

}

if (nset == NULL || !sigismember(nset, SIGINT))

if (nset == NULL || !sigismember(nset, SIGINT))

(void)signal(SIGINT, SIG_DFL);

(void)signal(SIGINT, SIG_DFL);

sigfillset(&fset);

sigemptyset(&eset);

(void)sigprocmask(SIG_UNBLOCK, &fset, NULL);

(void)sigprocmask(SIG_SETMASK, &eset, NULL);

}

}

int

int

Line 370

Line 370

{

{

sigset_t nset, oset;

sigset_t nset, oset;

register struct child *cp = findchild(pid);

register struct child *cp = findchild(pid);

sigemptyset(&nset);

sigemptyset(&nset);

sigaddset(&nset, SIGCHLD);

sigaddset(&nset, SIGCHLD);

sigprocmask(SIG_BLOCK, &nset, &oset);

sigprocmask(SIG_BLOCK, &nset, &oset);

Line 391

Line 392

{

{

sigset_t nset, oset;

sigset_t nset, oset;

register struct child *cp = findchild(pid);

register struct child *cp = findchild(pid);

sigemptyset(&nset);

sigemptyset(&nset);

sigaddset(&nset, SIGCHLD);

sigaddset(&nset, SIGCHLD);

sigprocmask(SIG_BLOCK, &nset, &oset);

sigprocmask(SIG_BLOCK, &nset, &oset);