From: ts Date: 2002-01-23T19:47:14+09:00 Subject: Re: SysV::IPC, core dump >>>>> "a" == ara howard writes: a> uname -a = xxx xxx 5.7 Generic_106541-12 sun4u sparc SUNW,Ultra-5_10 a> i'm core dumping on a sparc-solaris system while executing a> mySem.set_value(0,64) sysvipc must use an 'union senum' rather than NUM2INT(v_value) in the call to semctl(2) p.s. : msgbuf is defined in /usr/include/sys/msgbuf.h and it's different from the struct msgbuf defined in sysvipc.c Guy Decoux