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- ALARM(3) UNIX Programmer's Manual ALARM(3)
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- NNAAMMEE
- aallaarrmm - set signal timer alarm
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- SSYYNNOOPPSSIISS
- ##iinncclluuddee <<uunniissttdd..hh>>
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- _u___i_n_t
- aallaarrmm(_u___i_n_t _s_e_c_o_n_d_s)
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- DDEESSCCRRIIPPTTIIOONN
- TThhiiss iinntteerrffaaccee iiss mmaaddee oobbssoolleettee bbyy sseettiittiimmeerr((22))..
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- The aallaarrmm() function waits a count of _s_e_c_o_n_d_s before asserting the termiĀ
- nating signal SIGALRM. When the signal has successfully been caught,
- aallaarrmm() returns the amount of time left on the clock. The maximum mumber
- of _s_e_c_o_n_d_s allowed is 2147483647.
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- If an alarm has been set with aallaarrmm(), another call to aallaarrmm() will suĀ
- perceed the prior call. The request aallaarrmm(_0) voids the current alarm.
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- SSEEEE AALLSSOO
- sigaction(2), setitimer(2), sigpause(2), sigvec(2), signal(3),
- sleep(3), ualarm(3), usleep(3)
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- HHIISSTTOORRYY
- An aallaarrmm() function appeared in Version 7 AT&T UNIX.
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- 4th Berkeley Distribution April 19, 1991 1
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