Avoid SIGWINCH interruptions of NNN_PIPE IO (#659)

Fixes #656
This commit is contained in:
lvgx 2020-06-19 03:40:37 +02:00 committed by GitHub
parent 9b5b2b544c
commit 7a1a4e293e
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@ -4300,11 +4300,20 @@ static void rmlistpath()
}
}
static ssize_t read_nointr(int fd, void *buf, size_t count)
{
ssize_t len;
do{
len = read(fd, buf, count);
} while (len == -1 && errno == EINTR);
return len;
}
static void readpipe(int fd, char **path, char **lastname, char **lastdir)
{
int r;
char ctx, *nextpath = NULL;
ssize_t len = read(fd, g_buf, 1);
ssize_t len = read_nointr(fd, g_buf, 1);
if (len != 1)
return;
@ -4317,14 +4326,14 @@ static void readpipe(int fd, char **path, char **lastname, char **lastdir)
return;
}
len = read(fd, g_buf, 1);
len = read_nointr(fd, g_buf, 1);
if (len != 1)
return;
char op = g_buf[0];
if (op == 'c') {
len = read(fd, g_buf, PATH_MAX);
len = read_nointr(fd, g_buf, PATH_MAX);
if (len <= 0)
return;
@ -4415,7 +4424,10 @@ static bool run_selected_plugin(char **path, const char *file, char *runfile, ch
_exit(EXIT_SUCCESS);
}
int rfd = open(g_pipepath, O_RDONLY);
int rfd;
do {
rfd = open(g_pipepath, O_RDONLY);
} while (rfd == -1 && errno == EINTR);
readpipe(rfd, path, lastname, lastdir);
close(rfd);