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Emulated syscalls should return -errno on failure

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(not plain errno).  Thanks to Jos Delbar.

--HG--
extra : convert_revision : bd15ba1c99f25b8560938566d3922734172ab905
This commit is contained in:
Steve Reinhardt 2006-03-04 21:06:40 -05:00
parent 41b8b41b9c
commit d2ee20073b
1 changed files with 7 additions and 7 deletions
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14
sim/syscall_emul.hh
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@ -380,7 +380,7 @@ chmodFunc(SyscallDesc *desc, int callnum, Process *process,
// do the chmod
int result = chmod(path.c_str(), hostMode);
if (result < 0)
return errno;
return -errno;
return 0;
}
@ -407,7 +407,7 @@ fchmodFunc(SyscallDesc *desc, int callnum, Process *process,
// do the fchmod
int result = fchmod(process->sim_fd(fd), hostMode);
if (result < 0)
return errno;
return -errno;
return 0;
}
@ -428,7 +428,7 @@ statFunc(SyscallDesc *desc, int callnum, Process *process,
int result = stat(path.c_str(), &hostBuf);
if (result < 0)
return errno;
return -errno;
OS::copyOutStatBuf(xc->mem, xc->getSyscallArg(1), &hostBuf);
@ -457,7 +457,7 @@ fstat64Func(SyscallDesc *desc, int callnum, Process *process,
#endif
if (result < 0)
return errno;
return -errno;
OS::copyOutStat64Buf(xc->mem, fd, xc->getSyscallArg(1), &hostBuf);
@ -553,7 +553,7 @@ statfsFunc(SyscallDesc *desc, int callnum, Process *process,
int result = statfs(path.c_str(), &hostBuf);
if (result < 0)
return errno;
return -errno;
OS::copyOutStatfsBuf(xc->mem, xc->getSyscallArg(1), &hostBuf);
@ -576,7 +576,7 @@ fstatfsFunc(SyscallDesc *desc, int callnum, Process *process,
int result = fstatfs(fd, &hostBuf);
if (result < 0)
return errno;
return -errno;
OS::copyOutStatfsBuf(xc->mem, xc->getSyscallArg(1), &hostBuf);
@ -618,7 +618,7 @@ writevFunc(SyscallDesc *desc, int callnum, Process *process,
}
if (result < 0)
return errno;
return -errno;
return 0;
}