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本帖最后由 nswcfd 于 2016-07-12 11:42 编辑
楼上正解。
s/SIGALAM/SIGALRM
rt_sigaction(SIGALRM, {0x4005e4, [ALRM], SA_RESTORER|SA_RESTART, 0x3aa5a32920}, {SIG_DFL, [], 0}, = 0
alarm(3) = 0
read(0, 0x7fffd3142210, 1024) = ? ERESTARTSYS (To be restarted)
--- SIGALRM (Alarm clock) @ 0 (0) ---
fstat(1, {st_mode=S_IFCHR|0620, st_rdev=makedev(136, 0), ...}) = 0
mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f999e7c4000
write(1, "recv a sig=14\n", 14recv a sig=14
) = 14
rt_sigreturn(0) = 0
read(0, ^C <unfinished ...>
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