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find: add SIGINFO handler

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Print number of files processed and path currently being processed on
SIGINFO.

Reviewed by:	des, asomers
Sponsored by:	Axcient
MFC after:	2 weeks
Differential Revision: https://reviews.freebsd.org/D43380
This commit is contained in:
Goran Mekić 2024-01-11 15:35:25 -07:00 committed by Alan Somers
parent 0e1d8481f9
commit d06a00963b
3 changed files with 20 additions and 0 deletions
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1
usr.bin/find/extern.h
View file

@ -121,3 +121,4 @@ extern int exitstatus;
extern time_t now;
extern int dotfd;
extern FTS *tree;
extern volatile sig_atomic_t showinfo;

9
usr.bin/find/find.c
View file

@ -167,6 +167,7 @@ find_execute(PLAN *plan, char *paths[])
{
FTSENT *entry;
PLAN *p;
size_t counter = 0;
int e;
tree = fts_open(paths, ftsoptions, (issort ? find_compare : NULL));
@ -208,6 +209,14 @@ find_execute(PLAN *plan, char *paths[])
continue;
#endif /* FTS_W */
}
if (showinfo) {
fprintf(stderr, "Scanning: %s/%s\n", entry->fts_path, entry->fts_name);
fprintf(stderr, "Scanned: %lu\n\n", counter);
showinfo = 0;
}
++counter;
#define BADCH " \t\n\\'\""
if (isxargs && strpbrk(entry->fts_path, BADCH)) {
(void)fflush(stdout);

10
usr.bin/find/main.c
View file

@ -59,8 +59,10 @@ int isxargs; /* don't permit xargs delimiting chars */
int mindepth = -1, maxdepth = -1; /* minimum and maximum depth */
int regexp_flags = REG_BASIC; /* use the "basic" regexp by default*/
int exitstatus;
volatile sig_atomic_t showinfo = 0;
static void usage(void) __dead2;
static void siginfo_handler(int sig __unused);
int
main(int argc, char *argv[])
@ -72,6 +74,8 @@ main(int argc, char *argv[])
(void)time(&now); /* initialize the time-of-day */
(void)signal(SIGINFO, siginfo_handler);
p = start = argv;
Hflag = Lflag = 0;
ftsoptions = FTS_NOSTAT | FTS_PHYSICAL;
@ -152,3 +156,9 @@ usage(void)
" find [-H | -L | -P] [-EXdsx] -f path [path ...] [expression]");
exit(1);
}
static void
siginfo_handler(int sig __unused)
{
showinfo = 1;
}