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xioctl and friends by Tito <farmatito@tiscali.it>

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function                                             old     new   delta
do_iptunnel                                          203     977    +774
process_dev                                         5328    5494    +166
ioctl_or_perror                                        -      54     +54
ioctl_or_perror_and_die                                -      51     +51
ioctl_alt_func                                         -      49     +49
bb_ioctl_or_warn                                       -      47     +47
do_add_ioctl                                         102     145     +43
bb_xioctl                                              -      39     +39
print_value_on_off                                     -      31     +31
get_lcm                                              105     123     +18
arp_main                                            2155    2167     +12
..................
zcip_main                                           1576    1566     -10
setlogcons_main                                       92      82     -10
dumpkmap_main                                        263     253     -10
do_get_ioctl                                          85      75     -10
setkeycodes_main                                     165     154     -11
write_table                                          244     232     -12
vconfig_main                                         318     306     -12
do_del_ioctl                                          93      81     -12
set_address                                           75      62     -13
maybe_set_utc                                         30      16     -14
loadfont_main                                        495     479     -16
slattach_main                                        712     695     -17
do_loadfont                                          191     174     -17
do_iplink                                           1155    1136     -19
getty_main                                          2583    2562     -21
fbset_main                                          2058    2035     -23
do_time                                              588     565     -23
xioctl                                                25       -     -25
read_rtc                                             186     160     -26
parse_conf                                          1299    1270     -29
udhcp_read_interface                                 269     239     -30
bb_ioctl                                              45       -     -45
bb_ioctl_alt                                          70       -     -70
bb_ioctl_on_off                                       78       -     -78
.rodata                                           129370  129018    -352
do_show                                              799       -    -799
------------------------------------------------------------------------------
(add/remove: 6/5 grow/shrink: 13/49 up/down: 1316/-1864)     Total: -548 bytes
   text	   data	    bss	    dec	    hex	filename
 675352	   2740	  13968	 692060	  a8f5c	busybox_old
 674804	   2740	  13968	 691512	  a8d38	busybox_unstripped
This commit is contained in:
Denis Vlasenko
2007-07-14 22:07:14 +00:00
parent fcfaf2e18a
commit fb79a2e2cf
40 changed files with 297 additions and 333 deletions
Download Patch File Download Diff File Expand all files Collapse all files

16
miscutils/devfsd.c
View File

@@ -234,7 +234,6 @@ static char get_old_ide_name(unsigned , unsigned);
static char *write_old_sd_name(char *, unsigned, unsigned, const char *);
/* busybox functions */
static void do_ioctl_or_die(int fd, int request, unsigned long event_mask_flag);
static int get_uid_gid(int flag, const char *string);
static void safe_memcpy(char * dest, const char * src, int len);
static unsigned int scan_dev_name_common(const char *d, unsigned int n, int addendum, const char *ptr);
@@ -298,12 +297,6 @@ static const char * const bb_msg_variable_not_found = "variable: %s not found";
#define error_logger_and_die(p, fmt, args...) exit(1)
#endif
static void do_ioctl_or_die(int fd, int request, unsigned long event_mask_flag)
{
if (ioctl(fd, request, event_mask_flag) == -1)
msg_logger_and_die(LOG_ERR, "ioctl");
}
static void safe_memcpy(char *dest, const char *src, int len)
{
memcpy(dest , src, len);
@@ -386,8 +379,7 @@ int devfsd_main(int argc, char **argv)
if (fcntl(fd, F_SETFD, FD_CLOEXEC) != 0)
bb_perror_msg_and_die("FD_CLOEXEC");
if (ioctl(fd, DEVFSDIOC_GET_PROTO_REV, &proto_rev) == -1)
bb_perror_msg_and_die("ioctl");
xioctl(fd, DEVFSDIOC_GET_PROTO_REV, &proto_rev);
/*setup initial entries */
for (curr = initial_symlinks; curr->dest != NULL; ++curr)
@@ -404,7 +396,7 @@ int devfsd_main(int argc, char **argv)
exit(EXIT_SUCCESS); /* -v */
}
/* Tell kernel we are special(i.e. we get to see hidden entries) */
do_ioctl_or_die(fd, DEVFSDIOC_SET_EVENT_MASK, 0);
xioctl(fd, DEVFSDIOC_SET_EVENT_MASK, 0);
sigemptyset(&new_action.sa_mask);
new_action.sa_flags = 0;
@@ -435,7 +427,7 @@ int devfsd_main(int argc, char **argv)
if (do_daemon) {
/* Release so that the child can grab it */
do_ioctl_or_die(fd, DEVFSDIOC_RELEASE_EVENT_QUEUE, 0);
xioctl(fd, DEVFSDIOC_RELEASE_EVENT_QUEUE, 0);
bb_daemonize_or_rexec(0, argv);
} else if (ENABLE_DEVFSD_FG_NP) {
setpgid(0, 0); /* Become process group leader */
@@ -661,7 +653,7 @@ static int do_servicing(int fd, unsigned long event_mask)
/* Tell devfs what events we care about */
tmp_event_mask = event_mask;
do_ioctl_or_die(fd, DEVFSDIOC_SET_EVENT_MASK, tmp_event_mask);
xioctl(fd, DEVFSDIOC_SET_EVENT_MASK, tmp_event_mask);
while (!caught_signal) {
errno = 0;
bytes = read(fd,(char *) &info, sizeof info);