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authorDenys Vlasenko <vda.linux@googlemail.com>2016-12-12 16:30:20 +0100
committerDenys Vlasenko <vda.linux@googlemail.com>2016-12-12 16:30:20 +0100
commitb6afcc78194aa0801544bc606b9562339c846eb4 (patch)
tree7e0bc1d3f16b226201ec8a997be8c916f9d27940 /shell/hush.c
parent4f13a7050787aadb402c9c47aae0ff778dbc2c8b (diff)
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shell: suppress "unused var/func" warnings on some configs
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
Diffstat (limited to 'shell/hush.c')
-rw-r--r--shell/hush.c8
1 files changed, 4 insertions, 4 deletions
diff --git a/shell/hush.c b/shell/hush.c
index bcd4dffee..888be6e6e 100644
--- a/shell/hush.c
+++ b/shell/hush.c
@@ -1574,9 +1574,8 @@ static sighandler_t install_sighandler(int sig, sighandler_t handler)
1574} 1574}
1575 1575
1576static void hush_exit(int exitcode) NORETURN; 1576static void hush_exit(int exitcode) NORETURN;
1577static void fflush_and__exit(void) NORETURN;
1578static void restore_ttypgrp_and__exit(void) NORETURN;
1579 1577
1578static void restore_ttypgrp_and__exit(void) NORETURN;
1580static void restore_ttypgrp_and__exit(void) 1579static void restore_ttypgrp_and__exit(void)
1581{ 1580{
1582 /* xfunc has failed! die die die */ 1581 /* xfunc has failed! die die die */
@@ -1585,6 +1584,8 @@ static void restore_ttypgrp_and__exit(void)
1585 hush_exit(xfunc_error_retval); 1584 hush_exit(xfunc_error_retval);
1586} 1585}
1587 1586
1587#if ENABLE_HUSH_JOB
1588
1588/* Needed only on some libc: 1589/* Needed only on some libc:
1589 * It was observed that on exit(), fgetc'ed buffered data 1590 * It was observed that on exit(), fgetc'ed buffered data
1590 * gets "unwound" via lseek(fd, -NUM, SEEK_CUR). 1591 * gets "unwound" via lseek(fd, -NUM, SEEK_CUR).
@@ -1598,14 +1599,13 @@ static void restore_ttypgrp_and__exit(void)
1598 * and in `cmd` handling. 1599 * and in `cmd` handling.
1599 * If set as die_func(), this makes xfunc_die() exit via _exit(), not exit(): 1600 * If set as die_func(), this makes xfunc_die() exit via _exit(), not exit():
1600 */ 1601 */
1602static void fflush_and__exit(void) NORETURN;
1601static void fflush_and__exit(void) 1603static void fflush_and__exit(void)
1602{ 1604{
1603 fflush_all(); 1605 fflush_all();
1604 _exit(xfunc_error_retval); 1606 _exit(xfunc_error_retval);
1605} 1607}
1606 1608
1607#if ENABLE_HUSH_JOB
1608
1609/* After [v]fork, in child: do not restore tty pgrp on xfunc death */ 1609/* After [v]fork, in child: do not restore tty pgrp on xfunc death */
1610# define disable_restore_tty_pgrp_on_exit() (die_func = fflush_and__exit) 1610# define disable_restore_tty_pgrp_on_exit() (die_func = fflush_and__exit)
1611/* After [v]fork, in parent: restore tty pgrp on xfunc death */ 1611/* After [v]fork, in parent: restore tty pgrp on xfunc death */