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Make _Thread_local work across platforms

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We now rewrite the binary image at runtime on Windows and XNU to change
mov %fs:0,%reg instructions to use %gs instead. There's also simpler
threading API introduced by this change and it's called _spawn() and
_join(), which has replaced most clone() usage.
This commit is contained in:
Justine Tunney 2022-07-10 04:01:17 -07:00
parent e4d6e263d4
commit 5f4f6b0e69
51 changed files with 808 additions and 1043 deletions
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18
tool/viz/derasterize.c
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@ -104,7 +104,7 @@ int y_; /* -y HEIGHT [in flexidecimal] */
#define Mode BEST
#if Mode == BEST
#define MC 9u /* log2(#) of color combos to consider */
#define MC 9u /* log2(#) of color combos to consider */
#define GN 35u /* # of glyphs to consider */
#elif Mode == FAST
#define MC 6u
@ -114,10 +114,10 @@ int y_; /* -y HEIGHT [in flexidecimal] */
#define GN 25u
#endif
#define CN 3u /* # channels (rgb) */
#define YS 8u /* row stride -or- block height */
#define XS 4u /* column stride -or- block width */
#define GT 44u /* total glyphs */
#define CN 3u /* # channels (rgb) */
#define YS 8u /* row stride -or- block height */
#define XS 4u /* column stride -or- block width */
#define GT 44u /* total glyphs */
#define BN (YS * XS) /* # scalars in block/glyph plane */
#define PHIPRIME 0x9E3779B1u
@ -434,7 +434,7 @@ static void PrintImage(unsigned yn, unsigned xn,
char *v, *vt;
size = yn * (xn * (32 + (2 + (1 + 3) * 3) * 2 + 1 + 3)) * 1 + 5 + 1;
size = ROUNDUP(size, FRAMESIZE);
CHECK_NE(MAP_FAILED, (vt = mapanon(size)));
CHECK_NOTNULL((vt = _mapanon(size)));
v = RenderImage(vt, yn, xn, rgb);
*v++ = '\r';
*v++ = 033;
@ -532,8 +532,8 @@ static void LoadFile(const char *path, size_t yn, size_t xn, void *rgb) {
CHECK_EQ(CN, 3);
data2size = ROUNDUP(sizeof(float) * goty * gotx * CN, FRAMESIZE);
data3size = ROUNDUP(sizeof(float) * yn * YS * xn * XS * CN, FRAMESIZE);
CHECK_NE(MAP_FAILED, (data2 = mapanon(data2size)));
CHECK_NE(MAP_FAILED, (data3 = mapanon(data3size)));
CHECK_NOTNULL((data2 = _mapanon(data2size)));
CHECK_NOTNULL((data3 = _mapanon(data3size)));
rgb2lin(goty * gotx * CN, data2, data);
lanczos3(yn * YS, xn * XS, data3, goty, gotx, data2, gotx * 3);
rgb2std(yn * YS * xn * XS * CN, rgb, data3);
@ -603,7 +603,7 @@ int main(int argc, char *argv[]) {
// FIXME: on the conversion stage should do 2Y because of halfblocks
// printf( "filename >%s<\tx >%d<\ty >%d<\n\n", filename, x_, y_);
size = y_ * YS * x_ * XS * CN;
CHECK_NE(MAP_FAILED, (rgb = mapanon(ROUNDUP(size, FRAMESIZE))));
CHECK_NOTNULL((rgb = _mapanon(ROUNDUP(size, FRAMESIZE))));
for (i = optind; i < argc; ++i) {
if (!argv[i]) continue;
if (m_) {