HCoop / hcoop / debian / openafs.git / blame
| Commit | Line | Data |
|---|---|---|
| 805e021f CE |
1 | /* |
| 2 | * Copyright 2000, International Business Machines Corporation and others. | |
| 3 | * All Rights Reserved. | |
| 4 | * | |
| 5 | * This software has been released under the terms of the IBM Public | |
| 6 | * License. For details, see the LICENSE file in the top-level source | |
| 7 | * directory or online at http://www.openafs.org/dl/license10.html | |
| 8 | */ | |
| 9 | ||
| 10 | /* | |
| 11 | * The lpioctl system call. (pioctl is handled by the rmtsys layer and turned | |
| 12 | * into either lpioctl or a remote call as appropriate.) It is kept separate | |
| 13 | * to allow for the creation of the libkopenafs shared library without | |
| 14 | * including the other system calls. | |
| 15 | */ | |
| 16 | ||
| 17 | #include <afsconfig.h> | |
| 18 | #include <afs/param.h> | |
| 19 | ||
| 20 | #include <roken.h> | |
| 21 | ||
| 22 | #include <afs/afs_args.h> | |
| 23 | ||
| 24 | #include "afssyscalls.h" | |
| 25 | #include "sys_prototypes.h" | |
| 26 | ||
| 27 | #ifdef AFS_AIX32_ENV | |
| 28 | /* | |
| 29 | * in VRMIX, system calls look just like function calls, so we don't | |
| 30 | * need to do anything! | |
| 31 | */ | |
| 32 | ||
| 33 | #elif defined(AFS_SGI_ENV) | |
| 34 | ||
| 35 | #pragma weak xlpioctl = lpioctl | |
| 36 | ||
| 37 | int | |
| 38 | lpioctl(char *path, int cmd, void *cmarg, int follow) | |
| 39 | { | |
| 40 | return (syscall(AFS_PIOCTL, path, cmd, cmarg, follow)); | |
| 41 | } | |
| 42 | ||
| 43 | #elif defined(AFS_LINUX20_ENV) | |
| 44 | ||
| 45 | int | |
| 46 | lpioctl(char *path, int cmd, void *cmarg, int follow) | |
| 47 | { | |
| 48 | int errcode = 0; | |
| 49 | int rval; | |
| 50 | ||
| 51 | rval = proc_afs_syscall(AFSCALL_PIOCTL, (long)path, cmd, (long)cmarg, | |
| 52 | follow, &errcode); | |
| 53 | ||
| 54 | if(rval) { | |
| 55 | # ifdef AFS_SYSCALL | |
| 56 | errcode = syscall(AFS_SYSCALL, AFSCALL_PIOCTL, path, cmd, cmarg, | |
| 57 | follow); | |
| 58 | # else | |
| 59 | errcode = -1; | |
| 60 | # endif | |
| 61 | } | |
| 62 | ||
| 63 | return (errcode); | |
| 64 | } | |
| 65 | ||
| 66 | #else /* AFS_AIX32_ENV */ | |
| 67 | ||
| 68 | int | |
| 69 | lpioctl(char *path, int cmd, void *cmarg, int follow) | |
| 70 | { | |
| 71 | int errcode = 0; | |
| 72 | /* As kauth/user.c says, handle smoothly the case where no AFS system call | |
| 73 | * exists (yet). */ | |
| 74 | void (*old)(int) = signal(SIGSYS, SIG_IGN); | |
| 75 | ||
| 76 | # if defined(AFS_DARWIN80_ENV) || defined(AFS_SUN511_ENV) | |
| 77 | { | |
| 78 | int rval; /* rval and errcode are distinct for pioctl platforms */ | |
| 79 | # if defined(AFS_DARWIN80_ENV) | |
| 80 | rval = ioctl_afs_syscall(AFSCALL_PIOCTL, (long)path, cmd, (long)cmarg, | |
| 81 | follow, 0, 0, &errcode); | |
| 82 | # elif defined(AFS_SUN511_ENV) | |
| 83 | rval = ioctl_sun_afs_syscall(AFSCALL_PIOCTL, (uintptr_t)path, cmd, | |
| 84 | (uintptr_t)cmarg, follow, 0, 0, &errcode); | |
| 85 | # endif /* !AFS_DARWIN80_ENV */ | |
| 86 | /* non-zero rval takes precedence over errcode */ | |
| 87 | if (rval) | |
| 88 | errcode = rval; | |
| 89 | } | |
| 90 | # else /* ! AFS_DARWIN80_ENV || AFS_SUN511_ENV */ | |
| 91 | errcode = syscall(AFS_SYSCALL, AFSCALL_PIOCTL, path, cmd, cmarg, follow); | |
| 92 | # endif | |
| 93 | ||
| 94 | signal(SIGSYS, old); | |
| 95 | ||
| 96 | return (errcode); | |
| 97 | } | |
| 98 | ||
| 99 | #endif /* !AFS_AIX32_ENV */ |