Path: utzoo!utgpu!watmath!clyde!att!rutgers!mailrus!cornell!uw-beaver!teknowledge-vaxc!mkhaw From: mkhaw@teknowledge-vaxc.ARPA (Mike Khaw) Newsgroups: comp.unix.questions Subject: Re: signals to running processes Message-ID: <26023@teknowledge-vaxc.ARPA> Date: 1 Dec 88 20:23:38 GMT References: <555@auspex.UUCP> Organization: Teknowledge, Inc., Palo Alto CA Lines: 24 <555@auspex.UUCP>, by guy@auspex.UUCP (Guy Harris): > There are several systems that come to mind that 1) have SIGUSR1 as 30 > (by virtue of having picked up the 4.3BSD signal set) and 2) have > "shmat" (by virtue of having picked up System V IPC). SunOS releases > 3.2 and later have both; I think Ultrix has "shmat" and probably has > SIGUSR1 as 30 as well. On Ultrix 2.2: % fgrep SIGUSR1 /usr/include/signal.h * Moved SIGUSR1 and SIGUSR2 to 30 and 31 to conform with Berkeley * #define SIGUSR1 30 /* User signal 1 (from SysV) */ % man -k shmat shmop, shmat, shmdt (2) - shared memory operations % nm /lib/libc.a | fgrep shmat shmat.o: 00000000 T _shmat Mike Khaw -- internet: mkhaw@teknowledge.arpa uucp: {uunet|sun|ucbvax|decwrl|ames|hplabs}!mkhaw%teknowledge.arpa hardcopy: Teknowledge Inc, 1850 Embarcadero Rd, POB 10119, Palo Alto, CA 94303