Date: Tue, 28 Jan 1997 13:01:34 +0000 From: Meir Dukhan <mdukhan@bis.co.il> To: questions@freebsd.org Cc: mdukhan@quasi.bis.co.il Subject: Sys V IPC Message-ID: <32EDF8AE.2781E494@bis.co.il>
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Hi Sys V ipc (at least the calls related to shared mem and messages queues) seems to _not_ be implemented as system calls. Indeed, ktrace/kdump wont records them as system calls (even if the manpage for shmat is in section 2 ;=) I experienced the following: - msgrcv() with IPC_NOWAIT return EWOULDBLOCK instead of ENOMSG (Linux and Sys V) - a process can have no more than 8 shared mem segments Is the above right ? Can one confirm/infirm ? Tia Meir
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