spsc.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 spsc;

#define make_spsc(N, T) spsc_alloc((N), sizeof(T))

#define sizeof_spsc(N, T) spsc_open(NULL, (N), sizeof(T))

#define spsc_send1(C, SRC) spsc_send((C), 1, (SRC))

#define spsc_nbsend1(C, SRC) spsc_nbsend((C), 1, (SRC))

#define spsc_recv1(C, DST) spsc_recv((C), 1, (DST))

#define spsc_nbrecv1(C, DST) spsc_nbrecv((C), 1, (DST))

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

struct spsc *spsc_alloc(size_t nel, size_t elsize);

bool spsc_close(struct spsc *c);

size_t spsc_nel(struct spsc *c);

bool spsc_send_init(struct spsc *c, size_t n, struct claim *s);

size_t spsc_send_nbinit(struct spsc *c, size_t n, struct claim *s);

bool spsc_send_fini(struct spsc *c, struct claim *s);

bool spsc_send(struct spsc *restrict c, size_t n, void *restrict src);

size_t spsc_nbsend(struct spsc *restrict c, size_t n, void *restrict src);

bool spsc_sendv(struct spsc *restrict c, size_t n, ...);

size_t spsc_nbsendv(struct spsc *restrict c, size_t n, ...);

bool spsc_recv_init(struct spsc *c, size_t n, struct claim *r);

size_t spsc_recv_nbinit(struct spsc *c, size_t n, struct claim *r);

bool spsc_recv_fini(struct spsc *c, struct claim *r);

bool spsc_recv(struct spsc *restrict c, size_t n, void *restrict dst);

size_t spsc_nbrecv(struct spsc *restrict c, size_t n, void *restrict dst);

bool spsc_recvv(struct spsc *restrict c, size_t n, ...);

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