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Improve synchronization
- Fix bugs in kDos2Errno definition - malloc() should now be thread safe - Fix bug in rollup.com header generator - Fix open(O_APPEND) on the New Technology - Fix select() on the New Technology and test it - Work towards refactoring i/o for thread safety - Socket reads and writes on NT now poll for signals - Work towards i/o completion ports on the New Technology - Make read() and write() intermittently check for signals - Blinkenlights keyboard i/o so much better on NT w/ poll() - You can now poll() files and sockets at the same time on NT - Fix bug in appendr() that manifests with dlmalloc footers off
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266 changed files with 8761 additions and 4344 deletions
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@ -29,12 +29,13 @@ int sys_openat_metal(int dirfd, const char *file, int flags, unsigned mode) {
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struct MetalFile *state;
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if (strcmp(file, "ape.com")) return enoent();
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if (!weaken(calloc)) return enomem();
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if ((fd = __reservefd()) == -1) return -1;
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if ((fd = __reservefd(-1)) == -1) return -1;
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state = weaken(calloc)(1, sizeof(struct MetalFile));
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state->base = (char *)_base;
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state->size = _end - _base;
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g_fds.p[fd].kind = kFdFile;
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g_fds.p[fd].flags = flags;
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g_fds.p[fd].mode = mode;
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g_fds.p[fd].handle = (intptr_t)state;
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return fd;
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}
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