Re: [PHP4BETA] cvs: php4 / acconfig.h.in config.w32.h configure.in main.c

From: Date: Fri, 19 May 2000 11:47:36 +0000
Subject: Re: [PHP4BETA] cvs: php4 / acconfig.h.in config.w32.h configure.in main.c
References: 1 2  Groups: php.version4 
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On Fri, May 19, 2000 at 01:31:40PM +0200, Sascha Schumann wrote: > > +#if PHP_SIGCHILD > > +static int sigchld_handler(int apar) > > +{ > > + int status; > > + wait(&status); > > + signal(SIGCHLD,sigchld_handler); > > +} > > +#endif > > This is an often repeated error when dealing with reapers. > > An arbitrary number of childs can exit while you are in the signal > handler, so that no further SIGCHLD are delivered to the program. > > The > > wait(&status); > > should be modified to > > while (waitpid(-1, NULL, WNOHANG) > 0); > > waitpid() will return immediately with -1, if no child has > exited. Otherwise, it will return the pid of the child. fixed - thanx > > - Sascha -- Thies C. Arntzen "One Big-Mac, Small Fries and a Coke!" Digital Collections Phone +49 40 235350 Fax +49 40 23535180 Hammerbrookstr. 93 20097 Hamburg / Germany

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