version 1.257, 2015/11/07 17:58:55 |
version 1.258, 2015/11/14 23:57:47 |
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#if HAVE_ERR |
#if HAVE_ERR |
#include <err.h> |
#include <err.h> |
#endif |
#endif |
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#include <errno.h> |
#include <fcntl.h> |
#include <fcntl.h> |
#include <glob.h> |
#include <glob.h> |
#include <signal.h> |
#include <signal.h> |
Line 131 main(int argc, char *argv[]) |
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Line 132 main(int argc, char *argv[]) |
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int show_usage; |
int show_usage; |
int options; |
int options; |
int use_pager; |
int use_pager; |
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int status; |
int c; |
int c; |
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pid_t pager_pid; |
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#if HAVE_PROGNAME |
#if HAVE_PROGNAME |
progname = getprogname(); |
progname = getprogname(); |
Line 152 main(int argc, char *argv[]) |
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Line 155 main(int argc, char *argv[]) |
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#endif |
#endif |
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#if HAVE_PLEDGE |
#if HAVE_PLEDGE |
if (pledge("stdio rpath tmppath proc exec flock", NULL) == -1) |
if (pledge("stdio rpath tmppath tty proc exec flock", NULL) == -1) |
err((int)MANDOCLEVEL_SYSERR, "pledge"); |
err((int)MANDOCLEVEL_SYSERR, "pledge"); |
#endif |
#endif |
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Line 427 main(int argc, char *argv[]) |
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Line 430 main(int argc, char *argv[]) |
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/* mandoc(1) */ |
/* mandoc(1) */ |
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#if HAVE_PLEDGE |
#if HAVE_PLEDGE |
if (pledge(use_pager ? "stdio rpath tmppath proc exec" : |
if (pledge(use_pager ? "stdio rpath tmppath tty proc exec" : |
"stdio rpath", NULL) == -1) |
"stdio rpath", NULL) == -1) |
err((int)MANDOCLEVEL_SYSERR, "pledge"); |
err((int)MANDOCLEVEL_SYSERR, "pledge"); |
#endif |
#endif |
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if (tag_files != NULL) { |
if (tag_files != NULL) { |
fclose(stdout); |
fclose(stdout); |
tag_write(); |
tag_write(); |
waitpid(spawn_pager(tag_files), NULL, 0); |
pager_pid = spawn_pager(tag_files); |
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for (;;) { |
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if (waitpid(pager_pid, &status, WUNTRACED) == -1) { |
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if (errno == EINTR) |
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continue; |
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warn("wait"); |
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rc = MANDOCLEVEL_SYSERR; |
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break; |
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} |
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if (!WIFSTOPPED(status)) |
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break; |
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(void)tcsetpgrp(STDIN_FILENO, getpgid(0)); |
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kill(0, WSTOPSIG(status)); |
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/* |
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* I'm now stopped. |
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* When getting SIGCONT, continue here: |
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*/ |
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(void)tcsetpgrp(STDIN_FILENO, pager_pid); |
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kill(pager_pid, SIGCONT); |
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} |
tag_unlink(); |
tag_unlink(); |
} |
} |
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Line 1016 spawn_pager(struct tag_files *tag_files) |
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Line 1041 spawn_pager(struct tag_files *tag_files) |
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case -1: |
case -1: |
err((int)MANDOCLEVEL_SYSERR, "fork"); |
err((int)MANDOCLEVEL_SYSERR, "fork"); |
case 0: |
case 0: |
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/* Set pgrp in both parent and child to avoid racing exec. */ |
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(void)setpgid(0, 0); |
break; |
break; |
default: |
default: |
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(void)setpgid(pager_pid, 0); |
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if (tcsetpgrp(STDIN_FILENO, pager_pid) == -1) |
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err((int)MANDOCLEVEL_SYSERR, "tcsetpgrp"); |
#if HAVE_PLEDGE |
#if HAVE_PLEDGE |
if (pledge("stdio rpath tmppath", NULL) == -1) |
if (pledge("stdio rpath tmppath tty proc", NULL) == -1) |
err((int)MANDOCLEVEL_SYSERR, "pledge"); |
err((int)MANDOCLEVEL_SYSERR, "pledge"); |
#endif |
#endif |
return pager_pid; |
return pager_pid; |