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Add SIGINFO handler.

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Reviewed by:	kib
Obtained from:	NetBSD (partly)
MFC after:	2 weeks
This commit is contained in:
Andrey V. Elsukov 2011-07-12 09:03:38 +00:00
parent 9f9cc2edd8
commit 40be4bee6f
1 changed files with 24 additions and 0 deletions
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24
sbin/newfs_msdos/newfs_msdos.c
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@ -44,6 +44,7 @@ static const char rcsid[] =
#include <fcntl.h>
#include <inttypes.h>
#include <paths.h>
#include <signal.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
@ -216,6 +217,9 @@ static const u_int8_t bootcode[] = {
0
};
static volatile sig_atomic_t got_siginfo;
static void infohandler(int);
static void check_mounted(const char *, mode_t);
static void getstdfmt(const char *, struct bpb *);
static void getdiskinfo(int, const char *, const char *, int,
@ -243,6 +247,7 @@ main(int argc, char *argv[])
int opt_N = 0;
int Iflag = 0, mflag = 0, oflag = 0;
char buf[MAXPATHLEN];
struct sigaction si_sa;
struct stat sb;
struct timeval tv;
struct bpb bpb;
@ -604,7 +609,19 @@ main(int argc, char *argv[])
if (!(img = malloc(bpb.bpbBytesPerSec)))
err(1, NULL);
dir = bpb.bpbResSectors + (bpb.bpbFATsecs ? bpb.bpbFATsecs : bpb.bpbBigFATsecs) * bpb.bpbFATs;
memset(&si_sa, 0, sizeof(si_sa));
si_sa.sa_handler = infohandler;
if (sigaction(SIGINFO, &si_sa, 0) == -1)
err(1, "sigaction SIGINFO");
for (lsn = 0; lsn < dir + (fat == 32 ? bpb.bpbSecPerClust : rds); lsn++) {
if (got_siginfo) {
fprintf(stderr,"%s: writing sector %u of %u (%u%%)\n",
fname, lsn,
(dir + (fat == 32 ? bpb.bpbSecPerClust: rds)),
(lsn * 100) / (dir +
(fat == 32 ? bpb.bpbSecPerClust: rds)));
got_siginfo = 0;
}
x = lsn;
if (opt_B &&
fat == 32 && bpb.bpbBackup != MAXU16 &&
@ -1017,3 +1034,10 @@ usage(void)
"\t-u sectors/track\n");
exit(1);
}
static void
infohandler(int sig __unused)
{
got_siginfo = 1;
}