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hush: make read builtin interruptible.

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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
...
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(add/remove: 5/0 grow/shrink: 7/5 up/down: 483/-46)           Total: 437 bytes

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
This commit is contained in:
Denys Vlasenko
2011-05-08 21:23:43 +02:00
parent 80c5b6893d
commit 80542bad2f
5 changed files with 120 additions and 12 deletions
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2
include/libbb.h
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@ -672,7 +672,7 @@ void* xrealloc_vector_helper(void *vector, unsigned sizeof_and_shift, int idx) F
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;