fix(mmap): support read-only #10782
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fix(mmap): support read-only #10782
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kripken
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Mar 28, 2020
src/library_syscall.js
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| @@ -280,7 +280,9 @@ var SyscallsLibrary = { | |||
| if (len === info.len) { | |||
| #if FILESYSTEM && SYSCALLS_REQUIRE_FILESYSTEM | |||
| var stream = FS.getStream(info.fd); | |||
| SYSCALLS.doMsync(addr, stream, len, info.flags, info.offset); | |||
| if (info.prot & 0x02) { | |||
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I believe the constant can be {{{ cDefine('PROT_WRITE') }}}.
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thanks for reviewing @kripken . Replaced with the constant now.
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only do msync on munmap if PROT_WRITE is set
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kripken
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only do msync on munmap if PROT_WRITE is set