diff options
| author | Ben Peart <peartben@gmail.com> | 2017-05-05 11:28:02 -0400 |
|---|---|---|
| committer | Junio C Hamano <gitster@pobox.com> | 2017-05-15 13:01:57 +0900 |
| commit | 4f2a2e9f0e26c1c543d1f282d6e88b3d0f608d07 (patch) | |
| tree | e6f92f415fc89c7c982773020acfa7bd5964477e | |
| parent | 99605d62e8e7e568035dc953b24b79b3d52f0522 (diff) | |
| download | git-bp/sub-process-convert-filter.tar.gz | |
convert: update subprocess_read_status() to not die on EOFbp/sub-process-convert-filter
Enable sub-processes to gracefully handle when the process dies by
updating subprocess_read_status to return an error on EOF instead of
dying.
Update apply_multi_file_filter to take advantage of the revised
subprocess_read_status.
Signed-off-by: Ben Peart <benpeart@microsoft.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
| -rw-r--r-- | convert.c | 10 | ||||
| -rw-r--r-- | sub-process.c | 10 | ||||
| -rw-r--r-- | sub-process.h | 2 |
3 files changed, 16 insertions, 6 deletions
@@ -635,7 +635,10 @@ static int apply_multi_file_filter(const char *path, const char *src, size_t len if (err) goto done; - subprocess_read_status(process->out, &filter_status); + err = subprocess_read_status(process->out, &filter_status); + if (err) + goto done; + err = strcmp(filter_status.buf, "success"); if (err) goto done; @@ -644,7 +647,10 @@ static int apply_multi_file_filter(const char *path, const char *src, size_t len if (err) goto done; - subprocess_read_status(process->out, &filter_status); + err = subprocess_read_status(process->out, &filter_status); + if (err) + goto done; + err = strcmp(filter_status.buf, "success"); done: diff --git a/sub-process.c b/sub-process.c index 536b60cced..92f8aea70a 100644 --- a/sub-process.c +++ b/sub-process.c @@ -21,13 +21,15 @@ struct subprocess_entry *subprocess_find_entry(struct hashmap *hashmap, const ch return hashmap_get(hashmap, &key, NULL); } -void subprocess_read_status(int fd, struct strbuf *status) +int subprocess_read_status(int fd, struct strbuf *status) { struct strbuf **pair; char *line; + int len; + for (;;) { - line = packet_read_line(fd, NULL); - if (!line) + len = packet_read_line_gently(fd, NULL, &line); + if ((len < 0) || !line) break; pair = strbuf_split_str(line, '=', 2); if (pair[0] && pair[0]->len && pair[1]) { @@ -39,6 +41,8 @@ void subprocess_read_status(int fd, struct strbuf *status) } strbuf_list_free(pair); } + + return (len < 0) ? len : 0; } void subprocess_stop(struct hashmap *hashmap, struct subprocess_entry *entry) diff --git a/sub-process.h b/sub-process.h index a88e782bfc..7d451e1cde 100644 --- a/sub-process.h +++ b/sub-process.h @@ -44,6 +44,6 @@ static inline struct child_process *subprocess_get_child_process( * key/value pairs and return the value from the last "status" packet */ -void subprocess_read_status(int fd, struct strbuf *status); +int subprocess_read_status(int fd, struct strbuf *status); #endif |