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diff --git a/rpmio/rpmio.c b/rpmio/rpmio.c
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index cd223e8..f23fc11 100644
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--- a/rpmio/rpmio.c
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+++ b/rpmio/rpmio.c
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@@ -5,6 +5,7 @@
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#include "system.h"
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#include <stdarg.h>
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#include <errno.h>
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+#include <ctype.h>
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#include <rpm/rpmlog.h>
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#include <rpm/rpmmacro.h>
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@@ -873,7 +874,12 @@ static const char * getFdErrstr (FD_t fd)
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#include <sys/types.h>
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#include <inttypes.h>
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+#define LZMA_UNSTABLE
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#include <lzma.h>
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+/* Multithreading support in stable API since xz 5.2.0 */
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+#if LZMA_VERSION >= 50010020
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+#define HAVE_LZMA_MT
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+#endif
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#define kBufferSize (1 << 15)
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@@ -897,7 +902,10 @@ static LZFILE *lzopen_internal(const char *path, const char *mode, int fd, int x
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LZFILE *lzfile;
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lzma_ret ret;
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lzma_stream init_strm = LZMA_STREAM_INIT;
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-
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+ uint64_t mem_limit = rpmExpandNumeric("%{_xz_memlimit}");
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+#ifdef HAVE_LZMA_MT
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+ int threads = 0;
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+#endif
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for (; *mode; mode++) {
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if (*mode == 'w')
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encoding = 1;
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@@ -905,6 +913,21 @@ static LZFILE *lzopen_internal(const char *path, const char *mode, int fd, int x
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encoding = 0;
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else if (*mode >= '1' && *mode <= '9')
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level = *mode - '0';
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+ else if (*mode == 'T') {
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+ if (isdigit(*(mode+1))) {
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+#ifdef HAVE_LZMA_MT
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+ threads = atoi(++mode);
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+#endif
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+ /* skip past rest of digits in string that atoi()
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+ * should've processed
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+ * */
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+ while(isdigit(*++mode));
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+ }
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+#ifdef HAVE_LZMA_MT
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+ else
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+ threads = -1;
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+#endif
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+ }
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}
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if (fd != -1)
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fp = fdopen(fd, encoding ? "w" : "r");
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@@ -924,16 +947,48 @@ static LZFILE *lzopen_internal(const char *path, const char *mode, int fd, int x
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lzfile->strm = init_strm;
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if (encoding) {
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if (xz) {
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- ret = lzma_easy_encoder(&lzfile->strm, level, LZMA_CHECK_SHA256);
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+#ifdef HAVE_LZMA_MT
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+ if (!threads) {
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+#endif
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+ ret = lzma_easy_encoder(&lzfile->strm, level, LZMA_CHECK_SHA256);
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+#ifdef HAVE_LZMA_MT
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+ } else {
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+ if (threads == -1)
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+ threads = sysconf(_SC_NPROCESSORS_ONLN);
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+ lzma_mt mt_options = {
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+ .flags = 0,
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+ .threads = threads,
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+ .block_size = 0,
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+ .timeout = 0,
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+ .preset = level,
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+ .filters = NULL,
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+ .check = LZMA_CHECK_SHA256 };
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+
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+ ret = lzma_stream_encoder_mt(&lzfile->strm, &mt_options);
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+ }
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+#endif
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} else {
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lzma_options_lzma options;
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lzma_lzma_preset(&options, level);
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ret = lzma_alone_encoder(&lzfile->strm, &options);
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}
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- } else { /* lzma_easy_decoder_memusage(level) is not ready yet, use hardcoded limit for now */
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- ret = lzma_auto_decoder(&lzfile->strm, 100<<20, 0);
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+ } else { /* lzma_easy_decoder_memusage(level) is not ready yet, use hardcoded limit for now */
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+ ret = lzma_auto_decoder(&lzfile->strm, mem_limit ? mem_limit : 100<<20, 0);
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}
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if (ret != LZMA_OK) {
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+ switch (ret) {
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+ case LZMA_MEM_ERROR:
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+ rpmlog(RPMLOG_ERR, "liblzma: Memory allocation failed");
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+ break;
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+
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+ case LZMA_DATA_ERROR:
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+ rpmlog(RPMLOG_ERR, "liblzma: File size limits exceeded");
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+ break;
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+
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+ default:
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+ rpmlog(RPMLOG_ERR, "liblzma:
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+ break;
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+ }
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fclose(fp);
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free(lzfile);
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return 0;
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