hush: make read builtin interruptible.
function old new delta
builtin_read 185 471 +286
check_and_run_traps 200 262 +62
nonblock_immune_read 73 119 +46
sigismember - 44 +44
record_signal - 21 +21
sigisemptyset - 16 +16
...
------------------------------------------------------------------------------
(add/remove: 5/0 grow/shrink: 7/5 up/down: 483/-46) Total: 437 bytes
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
diff --git a/include/libbb.h b/include/libbb.h
index 4ea94e7..56dfa61 100644
--- a/include/libbb.h
+++ b/include/libbb.h
@@ -672,7 +672,7 @@
extern ssize_t safe_read(int fd, void *buf, size_t count) FAST_FUNC;
-extern ssize_t nonblock_immune_read(int fd, void *buf, size_t count) FAST_FUNC;
+extern ssize_t nonblock_immune_read(int fd, void *buf, size_t count, int loop_on_EINTR) FAST_FUNC;
// NB: will return short read on error, not -1,
// if some data was read before error occurred
extern ssize_t full_read(int fd, void *buf, size_t count) FAST_FUNC;