Date: Tue, 10 May 2005 13:37:53 GMT From: Andrew Reisse <areisse@FreeBSD.org> To: Perforce Change Reviews <perforce@freebsd.org> Subject: PERFORCE change 76783 for review Message-ID: <200505101337.j4ADbrmL073457@repoman.freebsd.org>
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http://perforce.freebsd.org/chv.cgi?CH=76783 Change 76783 by areisse@areisse_ibook on 2005/05/10 13:37:42 Support for returning values from mac_syscall. On FreeBSD, the implementation of mpo_syscall would store the return value directly into the thread structure. On Darwin, the syscall handlers have an explicit storage for the return value. Affected files ... .. //depot/projects/trustedbsd/sedarwin7/src/darwin/xnu/bsd/sys/mac_policy.h#5 edit .. //depot/projects/trustedbsd/sedarwin7/src/darwin/xnu/security/mac_base.c#3 edit Differences ... ==== //depot/projects/trustedbsd/sedarwin7/src/darwin/xnu/bsd/sys/mac_policy.h#5 (text+ko) ==== @@ -82,7 +82,8 @@ * may implement new services without reserving explicit * system call numbers. */ - int (*mpo_syscall)(struct proc *p, int call, void *arg); + int (*mpo_syscall)(struct proc *p, int call, void *arg, + int *retv); /* * Label operations. ==== //depot/projects/trustedbsd/sedarwin7/src/darwin/xnu/security/mac_base.c#3 (text+ko) ==== @@ -1140,7 +1140,7 @@ if (strcmp(mpc->mpc_name, target) == 0 && mpc->mpc_ops->mpo_syscall != NULL) { error = mpc->mpc_ops->mpo_syscall(p, - uap->call, uap->arg); + uap->call, uap->arg, retv); goto out; } } @@ -1150,7 +1150,7 @@ if (strcmp(mpc->mpc_name, target) == 0 && mpc->mpc_ops->mpo_syscall != NULL) { error = mpc->mpc_ops->mpo_syscall(p, - uap->call, uap->arg); + uap->call, uap->arg, retv); break; } }
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