spmc.h

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// This Source Code Form is subject to the terms of the Mozilla Public
// License, v. 2.0. If a copy of the MPL was not distributed with this
// file, You can obtain one at https://mozilla.org/MPL/2.0/.

 
#pragma once
#include "claim.h"
 
#ifdef __cplusplus
    #if defined(__clang__) || defined(__GNUG__) || defined(_MSC_VER)
        #define restrict __restrict
    #else
        #define restrict
    #endif
    extern "C" {
#endif

struct spmc;

#define make_spmc(N, T) spmc_alloc((N), sizeof(T))

#define sizeof_spmc(N, T) spmc_open(NULL, (N), sizeof(T))

#define spmc_send1(C, SRC) spmc_send((C), 1, (SRC))

#define spmc_nbsend1(C, SRC) spmc_nbsend((C), 1, (SRC))

#define spmc_recv1(C, DST) spmc_recv((C), 1, (DST))

#define spmc_nbrecv1(C, DST) spmc_nbrecv((C), 1, (DST))

size_t spmc_open(void *c, size_t nel, size_t elsize);

struct spmc *spmc_alloc(size_t nel, size_t elsize);

bool spmc_close(struct spmc *c);

size_t spmc_nel(struct spmc *c);

bool spmc_send_init(struct spmc *c, size_t n, struct claim *s);

size_t spmc_send_nbinit(struct spmc *c, size_t n, struct claim *s);

bool spmc_send_fini(struct spmc *c, struct claim *s);

bool spmc_send(struct spmc *restrict c, size_t n, void *restrict src);

size_t spmc_nbsend(struct spmc *restrict c, size_t n, void *restrict src);

bool spmc_sendv(struct spmc *restrict c, size_t n, ...);

size_t spmc_nbsendv(struct spmc *restrict c, size_t n, ...);

bool spmc_recv_init(struct spmc *c, size_t n, struct claim *r);

size_t spmc_recv_nbinit(struct spmc *c, size_t n, struct claim *r);

bool spmc_recv_fini(struct spmc *c, struct claim *r);

bool spmc_recv_nbfini(struct spmc *c, struct claim *r);

bool spmc_recv(struct spmc *restrict c, size_t n, void *restrict dst);

size_t spmc_nbrecv(struct spmc *restrict c, size_t n, void *restrict dst);

bool spmc_recvv(struct spmc *restrict c, size_t n, ...);

size_t spmc_nbrecvv(struct spmc *restrict c, size_t n, ...);
 
#ifdef __cplusplus
    }
    #undef restrict
#endif