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For PR797:

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Final removal of exceptions from lib/System and adjustment of users to
accommodate.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@29846 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Reid Spencer
2006-08-23 20:34:57 +00:00
parent cc2e0845c3
commit 51c5a286ba
9 changed files with 144 additions and 126 deletions
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lib/System/Unix/Memory.inc
+3 -3
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@@ -35,7 +35,7 @@ llvm::sys::Memory::AllocateRWX(unsigned NumBytes, const MemoryBlock* NearBlock,
#ifdef NEED_DEV_ZERO_FOR_MMAP
static int zero_fd = open("/dev/zero", O_RDWR);
if (zero_fd == -1) {
GetErrno("Can't open /dev/zero device", ErrMsg);
MakeErrMsg(ErrMsg, "Can't open /dev/zero device");
return MemoryBlock();
}
fd = zero_fd;
@@ -58,7 +58,7 @@ llvm::sys::Memory::AllocateRWX(unsigned NumBytes, const MemoryBlock* NearBlock,
if (NearBlock) //Try again without a near hint
return AllocateRWX(NumBytes, 0);
GetErrno("Can't allocate RWX Memory", ErrMsg);
MakeErrMsg(ErrMsg, "Can't allocate RWX Memory");
return MemoryBlock();
}
MemoryBlock result;
@@ -70,7 +70,7 @@ llvm::sys::Memory::AllocateRWX(unsigned NumBytes, const MemoryBlock* NearBlock,
bool llvm::sys::Memory::ReleaseRWX(MemoryBlock &M, std::string *ErrMsg) {
if (M.Address == 0 || M.Size == 0) return false;
if (0 != ::munmap(M.Address, M.Size))
return GetErrno("Can't release RWX Memory", ErrMsg);
return MakeErrMsg(ErrMsg, "Can't release RWX Memory");
return false;
}