#include <errno.h>
#include <unistd.h>
#include <signal.h>
#include <stdbool.h>

#include "ioexact.h"

extern volatile sig_atomic_t sigint;

ssize_t read_exact(int fd, void *buf, size_t len, bool mayexit)
{
	ssize_t num = 0, written;

	while (len > 0 && !sigint) {
		if ((written = read(fd, buf, len)) < 0) {
			if (errno == EAGAIN && num > 0)
				continue;
			if (mayexit)
				return -1;
			else
				continue;
		}
		if (!written)
			return 0;

		len -= written;
		buf += written;
		num += written;
	}

	return num;
}

ssize_t write_exact(int fd, void *buf, size_t len, bool mayexit)
{
	ssize_t num = 0, written;

	while (len > 0 && !sigint) {
		if ((written = write(fd, buf, len)) < 0) {
			if (errno == EAGAIN && num > 0)
				continue;
			if (mayexit)
				return -1;
			else
				continue;
		}
		if (!written)
			return 0;

		len -= written;
		buf += written;
		num += written;
	}

	return num;
}
me='id' value='0d909aa7c276584cc17413a7bec64d4fb5da2968'/><select name='h' onchange='this.form.submit();'>
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<tr><td class='sub'>net-next plumbings</td><td class='sub right'>Tobias Klauser</td></tr></table>
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<div class='path'>path: <a href='/cgit.cgi/linux/net-next.git/log/?id=0d909aa7c276584cc17413a7bec64d4fb5da2968'>root</a>/<a href='/cgit.cgi/linux/net-next.git/log/include?id=0d909aa7c276584cc17413a7bec64d4fb5da2968'>include</a>/<a href='/cgit.cgi/linux/net-next.git/log/include/acpi?id=0d909aa7c276584cc17413a7bec64d4fb5da2968'>acpi</a>/<a href='/cgit.cgi/linux/net-next.git/log/include/acpi/cppc_acpi.h?id=0d909aa7c276584cc17413a7bec64d4fb5da2968'>cppc_acpi.h</a></div><div class='content'><table class='list nowrap'><tr class='nohover'><th class='left'>Age</th><th class='left'>Commit message (<a href='/cgit.cgi/linux/net-next.git/log/include/acpi/cppc_acpi.h?id=0d909aa7c276584cc17413a7bec64d4fb5da2968&amp;showmsg=1'>Expand</a>)</th><th class='left'>Author</th><th class='left'>Files</th><th class='left'>Lines</th></tr>
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