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7401b26824
Before: Ten builds, laptop -j5, no ccache: ``` real 0m36.686000-38.956000(38.608+/-0.65)s user 2m32.864000-42.253000(40.7545+/-2.7)s sys 0m16.618000-18.316000(17.8531+/-0.48)s ``` Ten builds, laptop -j5, ccache (warm): ``` real 0m8.212000-8.577000(8.39989+/-0.13)s user 0m12.731000-13.212000(12.9751+/-0.17)s sys 0m3.697000-3.902000(3.83722+/-0.064)s ``` After: Ten builds, laptop -j5, no ccache: 8% faster ``` real 0m33.802000-35.773000(35.468+/-0.54)s user 2m19.073000-27.754000(26.2542+/-2.3)s sys 0m15.784000-17.173000(16.7165+/-0.37)s ``` Ten builds, laptop -j5, ccache (warm): 1% faster ``` real 0m8.200000-8.485000(8.30138+/-0.097)s user 0m12.485000-13.100000(12.7344+/-0.19)s sys 0m3.702000-3.889000(3.78787+/-0.056)s ``` Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
38 lines
797 B
C
38 lines
797 B
C
#include "config.h"
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#include <assert.h>
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#include <ccan/read_write_all/read_write_all.h>
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#include <errno.h>
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#include <wire/wire_io.h>
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#include <wire/wire_sync.h>
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bool wire_sync_write(int fd, const void *msg TAKES)
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{
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wire_len_t hdr = cpu_to_wirelen(tal_bytelen(msg));
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bool ret;
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assert(tal_bytelen(msg) < WIRE_LEN_LIMIT);
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ret = write_all(fd, &hdr, sizeof(hdr))
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&& write_all(fd, msg, tal_count(msg));
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if (taken(msg))
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tal_free(msg);
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return ret;
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}
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u8 *wire_sync_read(const tal_t *ctx, int fd)
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{
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wire_len_t len;
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u8 *msg;
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if (!read_all(fd, &len, sizeof(len)))
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return NULL;
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if (wirelen_to_cpu(len) >= WIRE_LEN_LIMIT) {
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errno = E2BIG;
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return NULL;
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}
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msg = tal_arr(ctx, u8, wirelen_to_cpu(len));
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if (!read_all(fd, msg, wirelen_to_cpu(len)))
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return tal_free(msg);
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return msg;
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}
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